8947840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 128

約数和(自身を含む): 24675840

約数和(自身を除く): 15728000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 41, 44, 55, 62, 64, 80, 82, 88, 110, 124, 128, 155, 160, 164, 176, 205, 220, 248, 310, 320, 328, 341, 352, 410, 440, 451, 496, 620, 640, 656, 682, 704, 820, 880, 902, 992, 1240, 1271, 1312, 1364, 1408, 1640, 1705, 1760, 1804, 1984, 2255, 2480, 2542, 2624, 2728, 3280, 3410, 3520, 3608, 3968, 4510, 4960, 5084, 5248, 5456, 6355, 6560, 6820, 7040, 7216, 9020, 9920, 10168, 10912, 12710, 13120, 13640, 13981, 14432, 18040, 19840, 20336, 21824, 25420, 26240, 27280, 27962, 28864, 36080, 40672, 43648, 50840, 54560, 55924, 57728, 69905, 72160, 81344, 101680, 109120, 111848, 139810, 144320, 162688, 203360, 218240, 223696, 279620, 288640, 406720, 447392, 559240, 813440, 894784, 1118480, 1789568, 2236960, 4473920, 8947840]

約数ペア:

[(1, 8947840), (2, 4473920), (4, 2236960), (5, 1789568), (8, 1118480), (10, 894784), (11, 813440), (16, 559240), (20, 447392), (22, 406720), (31, 288640), (32, 279620), (40, 223696), (41, 218240), (44, 203360), (55, 162688), (62, 144320), (64, 139810), (80, 111848), (82, 109120), (88, 101680), (110, 81344), (124, 72160), (128, 69905), (155, 57728), (160, 55924), (164, 54560), (176, 50840), (205, 43648), (220, 40672), (248, 36080), (310, 28864), (320, 27962), (328, 27280), (341, 26240), (352, 25420), (410, 21824), (440, 20336), (451, 19840), (496, 18040), (620, 14432), (640, 13981), (656, 13640), (682, 13120), (704, 12710), (820, 10912), (880, 10168), (902, 9920), (992, 9020), (1240, 7216), (1271, 7040), (1312, 6820), (1364, 6560), (1408, 6355), (1640, 5456), (1705, 5248), (1760, 5084), (1804, 4960), (1984, 4510), (2255, 3968), (2480, 3608), (2542, 3520), (2624, 3410), (2728, 3280)]