90891725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1069}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 119412000

約数和(自身を除く): 28520275

約数列:

[1, 5, 19, 25, 95, 179, 475, 895, 1069, 3401, 4475, 5345, 17005, 20311, 26725, 85025, 101555, 191351, 507775, 956755, 3635669, 4783775, 18178345, 90891725]

約数ペア:

[(1, 90891725), (5, 18178345), (19, 4783775), (25, 3635669), (95, 956755), (179, 507775), (475, 191351), (895, 101555), (1069, 85025), (3401, 26725), (4475, 20311), (5345, 17005)]