77131120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87649}}^1$

素因数の和:87673

約数の個数: 40

約数和(自身を含む): 195634800

約数和(自身を除く): 118503680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 87649, 175298, 350596, 438245, 701192, 876490, 964139, 1402384, 1752980, 1928278, 3505960, 3856556, 4820695, 7011920, 7713112, 9641390, 15426224, 19282780, 38565560, 77131120]

約数ペア:

[(1, 77131120), (2, 38565560), (4, 19282780), (5, 15426224), (8, 9641390), (10, 7713112), (11, 7011920), (16, 4820695), (20, 3856556), (22, 3505960), (40, 1928278), (44, 1752980), (55, 1402384), (80, 964139), (88, 876490), (110, 701192), (176, 438245), (220, 350596), (440, 175298), (880, 87649)]