64945025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{63361}}^1$

素因数の和:63412

約数の個数: 12

約数和(自身を含む): 82497324

約数和(自身を除く): 17552299

約数列:

[1, 5, 25, 41, 205, 1025, 63361, 316805, 1584025, 2597801, 12989005, 64945025]

約数ペア:

[(1, 64945025), (5, 12989005), (25, 2597801), (41, 1584025), (205, 316805), (1025, 63361)]