64851025

素因数分解:

$5^2\times {\mathrm{631}}^1\times {\mathrm{4111}}^1$

素因数の和:4752

約数の個数: 12

約数和(自身を含む): 80562304

約数和(自身を除く): 15711279

約数列:

[1, 5, 25, 631, 3155, 4111, 15775, 20555, 102775, 2594041, 12970205, 64851025]

約数ペア:

[(1, 64851025), (5, 12970205), (25, 2594041), (631, 102775), (3155, 20555), (4111, 15775)]