634146680

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{156967}}^1$

素因数の和:157079

約数の個数: 32

約数和(自身を含む): 1440966240

約数和(自身を除く): 806819560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 156967, 313934, 627868, 784835, 1255736, 1569670, 3139340, 6278680, 15853667, 31707334, 63414668, 79268335, 126829336, 158536670, 317073340, 634146680]

約数ペア:

[(1, 634146680), (2, 317073340), (4, 158536670), (5, 126829336), (8, 79268335), (10, 63414668), (20, 31707334), (40, 15853667), (101, 6278680), (202, 3139340), (404, 1569670), (505, 1255736), (808, 784835), (1010, 627868), (2020, 313934), (4040, 156967)]