13379867840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 224

約数和(自身を含む): 34263226368

約数和(自身を除く): 20883358528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 67, 80, 82, 124, 134, 155, 160, 164, 205, 248, 268, 310, 320, 328, 335, 410, 491, 496, 536, 620, 656, 670, 820, 982, 992, 1072, 1240, 1271, 1312, 1340, 1640, 1964, 1984, 2077, 2144, 2455, 2480, 2542, 2624, 2680, 2747, 3280, 3928, 4154, 4288, 4910, 4960, 5084, 5360, 5494, 6355, 6560, 7856, 8308, 9820, 9920, 10168, 10385, 10720, 10988, 12710, 13120, 13735, 15221, 15712, 16616, 19640, 20131, 20336, 20770, 21440, 21976, 25420, 27470, 30442, 31424, 32897, 33232, 39280, 40262, 40672, 41540, 43952, 50840, 54940, 60884, 65794, 66464, 76105, 78560, 80524, 81344, 83080, 85157, 87904, 100655, 101680, 109880, 121768, 131588, 132928, 152210, 157120, 161048, 164485, 166160, 170314, 175808, 201310, 203360, 219760, 243536, 263176, 304420, 322096, 328970, 332320, 340628, 402620, 406720, 425785, 439520, 487072, 526352, 608840, 624061, 644192, 657940, 664640, 681256, 805240, 851570, 879040, 974144, 1019807, 1052704, 1217680, 1248122, 1288384, 1315880, 1348777, 1362512, 1610480, 1703140, 2039614, 2105408, 2435360, 2496244, 2631760, 2697554, 2725024, 3120305, 3220960, 3406280, 4079228, 4870720, 4992488, 5099035, 5263520, 5395108, 5450048, 6240610, 6441920, 6743885, 6812560, 8158456, 9984976, 10198070, 10527040, 10790216, 12481220, 13487770, 13625120, 16316912, 19969952, 20396140, 21580432, 24962440, 26975540, 27250240, 32633824, 39939904, 40792280, 41812087, 43160864, 49924880, 53951080, 65267648, 81584560, 83624174, 86321728, 99849760, 107902160, 163169120, 167248348, 199699520, 209060435, 215804320, 326338240, 334496696, 418120870, 431608640, 668993392, 836241740, 1337986784, 1672483480, 2675973568, 3344966960, 6689933920, 13379867840]

約数ペア:

[(1, 13379867840), (2, 6689933920), (4, 3344966960), (5, 2675973568), (8, 1672483480), (10, 1337986784), (16, 836241740), (20, 668993392), (31, 431608640), (32, 418120870), (40, 334496696), (41, 326338240), (62, 215804320), (64, 209060435), (67, 199699520), (80, 167248348), (82, 163169120), (124, 107902160), (134, 99849760), (155, 86321728), (160, 83624174), (164, 81584560), (205, 65267648), (248, 53951080), (268, 49924880), (310, 43160864), (320, 41812087), (328, 40792280), (335, 39939904), (410, 32633824), (491, 27250240), (496, 26975540), (536, 24962440), (620, 21580432), (656, 20396140), (670, 19969952), (820, 16316912), (982, 13625120), (992, 13487770), (1072, 12481220), (1240, 10790216), (1271, 10527040), (1312, 10198070), (1340, 9984976), (1640, 8158456), (1964, 6812560), (1984, 6743885), (2077, 6441920), (2144, 6240610), (2455, 5450048), (2480, 5395108), (2542, 5263520), (2624, 5099035), (2680, 4992488), (2747, 4870720), (3280, 4079228), (3928, 3406280), (4154, 3220960), (4288, 3120305), (4910, 2725024), (4960, 2697554), (5084, 2631760), (5360, 2496244), (5494, 2435360), (6355, 2105408), (6560, 2039614), (7856, 1703140), (8308, 1610480), (9820, 1362512), (9920, 1348777), (10168, 1315880), (10385, 1288384), (10720, 1248122), (10988, 1217680), (12710, 1052704), (13120, 1019807), (13735, 974144), (15221, 879040), (15712, 851570), (16616, 805240), (19640, 681256), (20131, 664640), (20336, 657940), (20770, 644192), (21440, 624061), (21976, 608840), (25420, 526352), (27470, 487072), (30442, 439520), (31424, 425785), (32897, 406720), (33232, 402620), (39280, 340628), (40262, 332320), (40672, 328970), (41540, 322096), (43952, 304420), (50840, 263176), (54940, 243536), (60884, 219760), (65794, 203360), (66464, 201310), (76105, 175808), (78560, 170314), (80524, 166160), (81344, 164485), (83080, 161048), (85157, 157120), (87904, 152210), (100655, 132928), (101680, 131588), (109880, 121768)]