45091120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5171}}^1$

素因数の和:5293

約数の個数: 40

約数和(自身を含む): 105819120

約数和(自身を除く): 60728000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 5171, 8720, 10342, 20684, 25855, 41368, 51710, 82736, 103420, 206840, 413680, 563639, 1127278, 2254556, 2818195, 4509112, 5636390, 9018224, 11272780, 22545560, 45091120]

約数ペア:

[(1, 45091120), (2, 22545560), (4, 11272780), (5, 9018224), (8, 5636390), (10, 4509112), (16, 2818195), (20, 2254556), (40, 1127278), (80, 563639), (109, 413680), (218, 206840), (436, 103420), (545, 82736), (872, 51710), (1090, 41368), (1744, 25855), (2180, 20684), (4360, 10342), (5171, 8720)]