90207910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5297}}^1$

素因数の和:5448

約数の個数: 32

約数和(自身を含む): 176232672

約数和(自身を除く): 86024762

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 5297, 8515, 10594, 17030, 26485, 52970, 68861, 137722, 344305, 688610, 693907, 1387814, 3469535, 6939070, 9020791, 18041582, 45103955, 90207910]

約数ペア:

[(1, 90207910), (2, 45103955), (5, 18041582), (10, 9020791), (13, 6939070), (26, 3469535), (65, 1387814), (130, 693907), (131, 688610), (262, 344305), (655, 137722), (1310, 68861), (1703, 52970), (3406, 26485), (5297, 17030), (8515, 10594)]