104221520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{100213}}^1$

素因数の和:100239

約数の個数: 40

約数和(自身を含む): 260957256

約数和(自身を除く): 156735736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 100213, 200426, 400852, 501065, 801704, 1002130, 1302769, 1603408, 2004260, 2605538, 4008520, 5211076, 6513845, 8017040, 10422152, 13027690, 20844304, 26055380, 52110760, 104221520]

約数ペア:

[(1, 104221520), (2, 52110760), (4, 26055380), (5, 20844304), (8, 13027690), (10, 10422152), (13, 8017040), (16, 6513845), (20, 5211076), (26, 4008520), (40, 2605538), (52, 2004260), (65, 1603408), (80, 1302769), (104, 1002130), (130, 801704), (208, 501065), (260, 400852), (520, 200426), (1040, 100213)]