250474640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{240841}}^1$

素因数の和:240867

約数の個数: 40

約数和(自身を含む): 627152568

約数和(自身を除く): 376677928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 240841, 481682, 963364, 1204205, 1926728, 2408410, 3130933, 3853456, 4816820, 6261866, 9633640, 12523732, 15654665, 19267280, 25047464, 31309330, 50094928, 62618660, 125237320, 250474640]

約数ペア:

[(1, 250474640), (2, 125237320), (4, 62618660), (5, 50094928), (8, 31309330), (10, 25047464), (13, 19267280), (16, 15654665), (20, 12523732), (26, 9633640), (40, 6261866), (52, 4816820), (65, 3853456), (80, 3130933), (104, 2408410), (130, 1926728), (208, 1204205), (260, 963364), (520, 481682), (1040, 240841)]