31730960

素因数分解:

$2^4\times 5^1\times {\mathrm{396637}}^1$

素因数の和:396650

約数の個数: 20

約数和(自身を含む): 73774668

約数和(自身を除く): 42043708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 396637, 793274, 1586548, 1983185, 3173096, 3966370, 6346192, 7932740, 15865480, 31730960]

約数ペア:

[(1, 31730960), (2, 15865480), (4, 7932740), (5, 6346192), (8, 3966370), (10, 3173096), (16, 1983185), (20, 1586548), (40, 793274), (80, 396637)]