68149820

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{1861}}^1$

素因数の和:3701

約数の個数: 24

約数和(自身を含む): 143269728

約数和(自身を除く): 75119908

約数列:

[1, 2, 4, 5, 10, 20, 1831, 1861, 3662, 3722, 7324, 7444, 9155, 9305, 18310, 18610, 36620, 37220, 3407491, 6814982, 13629964, 17037455, 34074910, 68149820]

約数ペア:

[(1, 68149820), (2, 34074910), (4, 17037455), (5, 13629964), (10, 6814982), (20, 3407491), (1831, 37220), (1861, 36620), (3662, 18610), (3722, 18310), (7324, 9305), (7444, 9155)]