104211640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{200407}}^1$

素因数の和:200431

約数の個数: 32

約数和(自身を含む): 252514080

約数和(自身を除く): 148302440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 200407, 400814, 801628, 1002035, 1603256, 2004070, 2605291, 4008140, 5210582, 8016280, 10421164, 13026455, 20842328, 26052910, 52105820, 104211640]

約数ペア:

[(1, 104211640), (2, 52105820), (4, 26052910), (5, 20842328), (8, 13026455), (10, 10421164), (13, 8016280), (20, 5210582), (26, 4008140), (40, 2605291), (52, 2004070), (65, 1603256), (104, 1002035), (130, 801628), (260, 400814), (520, 200407)]