87456025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1699}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 113832000

約数和(自身を除く): 26375975

約数列:

[1, 5, 25, 29, 71, 145, 355, 725, 1699, 1775, 2059, 8495, 10295, 42475, 49271, 51475, 120629, 246355, 603145, 1231775, 3015725, 3498241, 17491205, 87456025]

約数ペア:

[(1, 87456025), (5, 17491205), (25, 3498241), (29, 3015725), (71, 1231775), (145, 603145), (355, 246355), (725, 120629), (1699, 51475), (1775, 49271), (2059, 42475), (8495, 10295)]