26886280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9467}}^1$

素因数の和:9549

約数の個数: 32

約数和(自身を含む): 61352640

約数和(自身を除く): 34466360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9467, 18934, 37868, 47335, 75736, 94670, 189340, 378680, 672157, 1344314, 2688628, 3360785, 5377256, 6721570, 13443140, 26886280]

約数ペア:

[(1, 26886280), (2, 13443140), (4, 6721570), (5, 5377256), (8, 3360785), (10, 2688628), (20, 1344314), (40, 672157), (71, 378680), (142, 189340), (284, 94670), (355, 75736), (568, 47335), (710, 37868), (1420, 18934), (2840, 9467)]