90635480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{174299}}^1$

素因数の和:174323

約数の個数: 32

約数和(自身を含む): 219618000

約数和(自身を除く): 128982520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 174299, 348598, 697196, 871495, 1394392, 1742990, 2265887, 3485980, 4531774, 6971960, 9063548, 11329435, 18127096, 22658870, 45317740, 90635480]

約数ペア:

[(1, 90635480), (2, 45317740), (4, 22658870), (5, 18127096), (8, 11329435), (10, 9063548), (13, 6971960), (20, 4531774), (26, 3485980), (40, 2265887), (52, 1742990), (65, 1394392), (104, 871495), (130, 697196), (260, 348598), (520, 174299)]