68636660

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3463}}^1$

素因数の和:4463

約数の個数: 24

約数和(自身を含む): 144324096

約数和(自身を除く): 75687436

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3463, 3964, 4955, 6926, 9910, 13852, 17315, 19820, 34630, 69260, 3431833, 6863666, 13727332, 17159165, 34318330, 68636660]

約数ペア:

[(1, 68636660), (2, 34318330), (4, 17159165), (5, 13727332), (10, 6863666), (20, 3431833), (991, 69260), (1982, 34630), (3463, 19820), (3964, 17315), (4955, 13852), (6926, 9910)]