91571420

素因数分解:

$2^2\times 5^1\times {\mathrm{4578571}}^1$

素因数の和:4578580

約数の個数: 12

約数和(自身を含む): 192300024

約数和(自身を除く): 100728604

約数列:

[1, 2, 4, 5, 10, 20, 4578571, 9157142, 18314284, 22892855, 45785710, 91571420]

約数ペア:

[(1, 91571420), (2, 45785710), (4, 22892855), (5, 18314284), (10, 9157142), (20, 4578571)]