72538160

素因数分解:

$2^4\times 5^1\times {\mathrm{906727}}^1$

素因数の和:906740

約数の個数: 20

約数和(自身を含む): 168651408

約数和(自身を除く): 96113248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 906727, 1813454, 3626908, 4533635, 7253816, 9067270, 14507632, 18134540, 36269080, 72538160]

約数ペア:

[(1, 72538160), (2, 36269080), (4, 18134540), (5, 14507632), (8, 9067270), (10, 7253816), (16, 4533635), (20, 3626908), (40, 1813454), (80, 906727)]