18360640

素因数分解:

$2^6\times 5^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:515

約数の個数: 56

約数和(自身を含む): 44101512

約数和(自身を除く): 25740872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 181, 317, 320, 362, 634, 724, 905, 1268, 1448, 1585, 1810, 2536, 2896, 3170, 3620, 5072, 5792, 6340, 7240, 10144, 11584, 12680, 14480, 20288, 25360, 28960, 50720, 57377, 57920, 101440, 114754, 229508, 286885, 459016, 573770, 918032, 1147540, 1836064, 2295080, 3672128, 4590160, 9180320, 18360640]

約数ペア:

[(1, 18360640), (2, 9180320), (4, 4590160), (5, 3672128), (8, 2295080), (10, 1836064), (16, 1147540), (20, 918032), (32, 573770), (40, 459016), (64, 286885), (80, 229508), (160, 114754), (181, 101440), (317, 57920), (320, 57377), (362, 50720), (634, 28960), (724, 25360), (905, 20288), (1268, 14480), (1448, 12680), (1585, 11584), (1810, 10144), (2536, 7240), (2896, 6340), (3170, 5792), (3620, 5072)]