557391640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1071907}}^1$

素因数の和:1071931

約数の個数: 32

約数和(自身を含む): 1350604080

約数和(自身を除く): 793212440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1071907, 2143814, 4287628, 5359535, 8575256, 10719070, 13934791, 21438140, 27869582, 42876280, 55739164, 69673955, 111478328, 139347910, 278695820, 557391640]

約数ペア:

[(1, 557391640), (2, 278695820), (4, 139347910), (5, 111478328), (8, 69673955), (10, 55739164), (13, 42876280), (20, 27869582), (26, 21438140), (40, 13934791), (52, 10719070), (65, 8575256), (104, 5359535), (130, 4287628), (260, 2143814), (520, 1071907)]