725166875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:689

約数の個数: 40

約数和(自身を含む): 968652432

約数和(自身を除く): 243485557

約数列:

[1, 5, 17, 25, 85, 125, 131, 425, 521, 625, 655, 2125, 2227, 2605, 3275, 8857, 10625, 11135, 13025, 16375, 44285, 55675, 65125, 68251, 81875, 221425, 278375, 325625, 341255, 1107125, 1160267, 1391875, 1706275, 5535625, 5801335, 8531375, 29006675, 42656875, 145033375, 725166875]

約数ペア:

[(1, 725166875), (5, 145033375), (17, 42656875), (25, 29006675), (85, 8531375), (125, 5801335), (131, 5535625), (425, 1706275), (521, 1391875), (625, 1160267), (655, 1107125), (2125, 341255), (2227, 325625), (2605, 278375), (3275, 221425), (8857, 81875), (10625, 68251), (11135, 65125), (13025, 55675), (16375, 44285)]