351569480

素因数分解:

$2^3\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{5449}}^1$

素因数の和:7073

約数の個数: 32

約数和(自身を含む): 791667000

約数和(自身を除く): 440097520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1613, 3226, 5449, 6452, 8065, 10898, 12904, 16130, 21796, 27245, 32260, 43592, 54490, 64520, 108980, 217960, 8789237, 17578474, 35156948, 43946185, 70313896, 87892370, 175784740, 351569480]

約数ペア:

[(1, 351569480), (2, 175784740), (4, 87892370), (5, 70313896), (8, 43946185), (10, 35156948), (20, 17578474), (40, 8789237), (1613, 217960), (3226, 108980), (5449, 64520), (6452, 54490), (8065, 43592), (10898, 32260), (12904, 27245), (16130, 21796)]