31800620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{19157}}^1$

素因数の和:19249

約数の個数: 24

約数和(自身を含む): 67589424

約数和(自身を除く): 35788804

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 19157, 38314, 76628, 95785, 191570, 383140, 1590031, 3180062, 6360124, 7950155, 15900310, 31800620]

約数ペア:

[(1, 31800620), (2, 15900310), (4, 7950155), (5, 6360124), (10, 3180062), (20, 1590031), (83, 383140), (166, 191570), (332, 95785), (415, 76628), (830, 38314), (1660, 19157)]