1266880180

素因数分解:

$2^2\times 5^1\times {\mathrm{63344009}}^1$

素因数の和:63344018

約数の個数: 12

約数和(自身を含む): 2660448420

約数和(自身を除く): 1393568240

約数列:

[1, 2, 4, 5, 10, 20, 63344009, 126688018, 253376036, 316720045, 633440090, 1266880180]

約数ペア:

[(1, 1266880180), (2, 633440090), (4, 316720045), (5, 253376036), (10, 126688018), (20, 63344009)]