15900125

素因数分解:

$5^3\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1117

約数の個数: 16

約数和(自身を含む): 20015424

約数和(自身を除く): 4115299

約数列:

[1, 5, 25, 125, 131, 655, 971, 3275, 4855, 16375, 24275, 121375, 127201, 636005, 3180025, 15900125]

約数ペア:

[(1, 15900125), (5, 3180025), (25, 636005), (125, 127201), (131, 121375), (655, 24275), (971, 16375), (3275, 4855)]