90418820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{34511}}^1$

素因数の和:34651

約数の個数: 24

約数和(自身を含む): 191334528

約数和(自身を除く): 100915708

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 34511, 69022, 138044, 172555, 345110, 690220, 4520941, 9041882, 18083764, 22604705, 45209410, 90418820]

約数ペア:

[(1, 90418820), (2, 45209410), (4, 22604705), (5, 18083764), (10, 9041882), (20, 4520941), (131, 690220), (262, 345110), (524, 172555), (655, 138044), (1310, 69022), (2620, 34511)]