51172225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8287}}^1$

素因数の和:8329

約数の個数: 24

約数和(自身を含む): 71939840

約数和(自身を除く): 20767615

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 8287, 41435, 107731, 157453, 207175, 538655, 787265, 2046889, 2693275, 3936325, 10234445, 51172225]

約数ペア:

[(1, 51172225), (5, 10234445), (13, 3936325), (19, 2693275), (25, 2046889), (65, 787265), (95, 538655), (247, 207175), (325, 157453), (475, 107731), (1235, 41435), (6175, 8287)]