40557920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 192

約数和(自身を含む): 115831296

約数和(自身を除く): 75273376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 37, 40, 52, 62, 65, 68, 74, 80, 85, 104, 124, 130, 136, 148, 155, 160, 170, 185, 208, 221, 248, 260, 272, 296, 310, 340, 370, 403, 416, 442, 481, 496, 520, 527, 544, 592, 620, 629, 680, 740, 806, 884, 962, 992, 1040, 1054, 1105, 1147, 1184, 1240, 1258, 1360, 1480, 1612, 1768, 1924, 2015, 2080, 2108, 2210, 2294, 2405, 2480, 2516, 2635, 2720, 2960, 3145, 3224, 3536, 3848, 4030, 4216, 4420, 4588, 4810, 4960, 5032, 5270, 5735, 5920, 6290, 6448, 6851, 7072, 7696, 8060, 8177, 8432, 8840, 9176, 9620, 10064, 10540, 11470, 12580, 12896, 13702, 14911, 15392, 16120, 16354, 16864, 17680, 18352, 19240, 19499, 20128, 21080, 22940, 25160, 27404, 29822, 32240, 32708, 34255, 35360, 36704, 38480, 38998, 40885, 42160, 45880, 50320, 54808, 59644, 64480, 65416, 68510, 74555, 76960, 77996, 81770, 84320, 91760, 97495, 100640, 109616, 119288, 130832, 137020, 149110, 155992, 163540, 183520, 194990, 219232, 238576, 253487, 261664, 274040, 298220, 311984, 327080, 389980, 477152, 506974, 548080, 596440, 623968, 654160, 779960, 1013948, 1096160, 1192880, 1267435, 1308320, 1559920, 2027896, 2385760, 2534870, 3119840, 4055792, 5069740, 8111584, 10139480, 20278960, 40557920]

約数ペア:

[(1, 40557920), (2, 20278960), (4, 10139480), (5, 8111584), (8, 5069740), (10, 4055792), (13, 3119840), (16, 2534870), (17, 2385760), (20, 2027896), (26, 1559920), (31, 1308320), (32, 1267435), (34, 1192880), (37, 1096160), (40, 1013948), (52, 779960), (62, 654160), (65, 623968), (68, 596440), (74, 548080), (80, 506974), (85, 477152), (104, 389980), (124, 327080), (130, 311984), (136, 298220), (148, 274040), (155, 261664), (160, 253487), (170, 238576), (185, 219232), (208, 194990), (221, 183520), (248, 163540), (260, 155992), (272, 149110), (296, 137020), (310, 130832), (340, 119288), (370, 109616), (403, 100640), (416, 97495), (442, 91760), (481, 84320), (496, 81770), (520, 77996), (527, 76960), (544, 74555), (592, 68510), (620, 65416), (629, 64480), (680, 59644), (740, 54808), (806, 50320), (884, 45880), (962, 42160), (992, 40885), (1040, 38998), (1054, 38480), (1105, 36704), (1147, 35360), (1184, 34255), (1240, 32708), (1258, 32240), (1360, 29822), (1480, 27404), (1612, 25160), (1768, 22940), (1924, 21080), (2015, 20128), (2080, 19499), (2108, 19240), (2210, 18352), (2294, 17680), (2405, 16864), (2480, 16354), (2516, 16120), (2635, 15392), (2720, 14911), (2960, 13702), (3145, 12896), (3224, 12580), (3536, 11470), (3848, 10540), (4030, 10064), (4216, 9620), (4420, 9176), (4588, 8840), (4810, 8432), (4960, 8177), (5032, 8060), (5270, 7696), (5735, 7072), (5920, 6851), (6290, 6448)]