86686780

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{6869}}^1$

素因数の和:7509

約数の個数: 24

約数和(自身を含む): 182357280

約数和(自身を除く): 95670500

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 6869, 12620, 13738, 27476, 34345, 68690, 137380, 4334339, 8668678, 17337356, 21671695, 43343390, 86686780]

約数ペア:

[(1, 86686780), (2, 43343390), (4, 21671695), (5, 17337356), (10, 8668678), (20, 4334339), (631, 137380), (1262, 68690), (2524, 34345), (3155, 27476), (6310, 13738), (6869, 12620)]