87793640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3271}}^1$

素因数の和:3354

約数の個数: 64

約数和(自身を含む): 219093120

約数和(自身を除く): 131299480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3271, 3355, 5368, 6542, 6710, 13084, 13420, 16355, 26168, 26840, 32710, 35981, 65420, 71962, 130840, 143924, 179905, 199531, 287848, 359810, 399062, 719620, 798124, 997655, 1439240, 1596248, 1995310, 2194841, 3990620, 4389682, 7981240, 8779364, 10974205, 17558728, 21948410, 43896820, 87793640]

約数ペア:

[(1, 87793640), (2, 43896820), (4, 21948410), (5, 17558728), (8, 10974205), (10, 8779364), (11, 7981240), (20, 4389682), (22, 3990620), (40, 2194841), (44, 1995310), (55, 1596248), (61, 1439240), (88, 997655), (110, 798124), (122, 719620), (220, 399062), (244, 359810), (305, 287848), (440, 199531), (488, 179905), (610, 143924), (671, 130840), (1220, 71962), (1342, 65420), (2440, 35981), (2684, 32710), (3271, 26840), (3355, 26168), (5368, 16355), (6542, 13420), (6710, 13084)]