137221640

素因数分解:

$2^3\times 5^1\times {\mathrm{3430541}}^1$

素因数の和:3430552

約数の個数: 16

約数和(自身を含む): 308748780

約数和(自身を除く): 171527140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3430541, 6861082, 13722164, 17152705, 27444328, 34305410, 68610820, 137221640]

約数ペア:

[(1, 137221640), (2, 68610820), (4, 34305410), (5, 27444328), (8, 17152705), (10, 13722164), (20, 6861082), (40, 3430541)]