71878925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{569}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 92732160

約数和(自身を除く): 20853235

約数列:

[1, 5, 25, 31, 155, 163, 569, 775, 815, 2845, 4075, 5053, 14225, 17639, 25265, 88195, 92747, 126325, 440975, 463735, 2318675, 2875157, 14375785, 71878925]

約数ペア:

[(1, 71878925), (5, 14375785), (25, 2875157), (31, 2318675), (155, 463735), (163, 440975), (569, 126325), (775, 92747), (815, 88195), (2845, 25265), (4075, 17639), (5053, 14225)]