90476560

素因数分解:

$2^4\times 5^1\times {\mathrm{1130957}}^1$

素因数の和:1130970

約数の個数: 20

約数和(自身を含む): 210358188

約数和(自身を除く): 119881628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1130957, 2261914, 4523828, 5654785, 9047656, 11309570, 18095312, 22619140, 45238280, 90476560]

約数ペア:

[(1, 90476560), (2, 45238280), (4, 22619140), (5, 18095312), (8, 11309570), (10, 9047656), (16, 5654785), (20, 4523828), (40, 2261914), (80, 1130957)]