72220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 159264

約数和(自身を除く): 87044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 460, 628, 785, 1570, 3140, 3611, 7222, 14444, 18055, 36110, 72220]

約数ペア:

[(1, 72220), (2, 36110), (4, 18055), (5, 14444), (10, 7222), (20, 3611), (23, 3140), (46, 1570), (92, 785), (115, 628), (157, 460), (230, 314)]