128225620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{56737}}^1$

素因数の和:56859

約数の個数: 24

約数和(自身を含む): 271661544

約数和(自身を除く): 143435924

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 56737, 113474, 226948, 283685, 567370, 1134740, 6411281, 12822562, 25645124, 32056405, 64112810, 128225620]

約数ペア:

[(1, 128225620), (2, 64112810), (4, 32056405), (5, 25645124), (10, 12822562), (20, 6411281), (113, 1134740), (226, 567370), (452, 283685), (565, 226948), (1130, 113474), (2260, 56737)]