31716920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10037}}^1$

素因数の和:10127

約数の個数: 32

約数和(自身を含む): 72273600

約数和(自身を除く): 40556680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 10037, 20074, 40148, 50185, 80296, 100370, 200740, 401480, 792923, 1585846, 3171692, 3964615, 6343384, 7929230, 15858460, 31716920]

約数ペア:

[(1, 31716920), (2, 15858460), (4, 7929230), (5, 6343384), (8, 3964615), (10, 3171692), (20, 1585846), (40, 792923), (79, 401480), (158, 200740), (316, 100370), (395, 80296), (632, 50185), (790, 40148), (1580, 20074), (3160, 10037)]