40568690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{57139}}^1$

素因数の和:57217

約数の個数: 16

約数和(自身を含む): 74053440

約数和(自身を除く): 33484750

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 57139, 114278, 285695, 571390, 4056869, 8113738, 20284345, 40568690]

約数ペア:

[(1, 40568690), (2, 20284345), (5, 8113738), (10, 4056869), (71, 571390), (142, 285695), (355, 114278), (710, 57139)]