90397480

素因数分解:

$2^3\times 5^1\times {\mathrm{2259937}}^1$

素因数の和:2259948

約数の個数: 16

約数和(自身を含む): 203394420

約数和(自身を除く): 112996940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2259937, 4519874, 9039748, 11299685, 18079496, 22599370, 45198740, 90397480]

約数ペア:

[(1, 90397480), (2, 45198740), (4, 22599370), (5, 18079496), (8, 11299685), (10, 9039748), (20, 4519874), (40, 2259937)]