8711120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 23302080

約数和(自身を除く): 14590960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 521, 760, 836, 880, 1042, 1045, 1520, 1672, 2084, 2090, 2605, 3344, 4168, 4180, 5210, 5731, 8336, 8360, 9899, 10420, 11462, 16720, 19798, 20840, 22924, 28655, 39596, 41680, 45848, 49495, 57310, 79192, 91696, 98990, 108889, 114620, 158384, 197980, 217778, 229240, 395960, 435556, 458480, 544445, 791920, 871112, 1088890, 1742224, 2177780, 4355560, 8711120]

約数ペア:

[(1, 8711120), (2, 4355560), (4, 2177780), (5, 1742224), (8, 1088890), (10, 871112), (11, 791920), (16, 544445), (19, 458480), (20, 435556), (22, 395960), (38, 229240), (40, 217778), (44, 197980), (55, 158384), (76, 114620), (80, 108889), (88, 98990), (95, 91696), (110, 79192), (152, 57310), (176, 49495), (190, 45848), (209, 41680), (220, 39596), (304, 28655), (380, 22924), (418, 20840), (440, 19798), (521, 16720), (760, 11462), (836, 10420), (880, 9899), (1042, 8360), (1045, 8336), (1520, 5731), (1672, 5210), (2084, 4180), (2090, 4168), (2605, 3344)]