2008367920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1931123}}^1$

素因数の和:1931149

約数の個数: 40

約数和(自身を含む): 5028646896

約数和(自身を除く): 3020278976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1931123, 3862246, 7724492, 9655615, 15448984, 19311230, 25104599, 30897968, 38622460, 50209198, 77244920, 100418396, 125522995, 154489840, 200836792, 251045990, 401673584, 502091980, 1004183960, 2008367920]

約数ペア:

[(1, 2008367920), (2, 1004183960), (4, 502091980), (5, 401673584), (8, 251045990), (10, 200836792), (13, 154489840), (16, 125522995), (20, 100418396), (26, 77244920), (40, 50209198), (52, 38622460), (65, 30897968), (80, 25104599), (104, 19311230), (130, 15448984), (208, 9655615), (260, 7724492), (520, 3862246), (1040, 1931123)]