4355560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 11275200

約数和(自身を除く): 6919640

約数列:

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

約数ペア:

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