72640

素因数分解:

$2^6\times 5^1\times {\mathrm{227}}^1$

素因数の和:244

約数の個数: 28

約数和(自身を含む): 173736

約数和(自身を除く): 101096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 227, 320, 454, 908, 1135, 1816, 2270, 3632, 4540, 7264, 9080, 14528, 18160, 36320, 72640]

約数ペア:

[(1, 72640), (2, 36320), (4, 18160), (5, 14528), (8, 9080), (10, 7264), (16, 4540), (20, 3632), (32, 2270), (40, 1816), (64, 1135), (80, 908), (160, 454), (227, 320)]