156988640225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{661}}^1\times {\mathrm{231709}}^1$

素因数の和:232421

約数の個数: 24

約数和(自身を含む): 199716410040

約数和(自身を除く): 42727769815

約数列:

[1, 5, 25, 41, 205, 661, 1025, 3305, 16525, 27101, 135505, 231709, 677525, 1158545, 5792725, 9500069, 47500345, 153159649, 237501725, 765798245, 3828991225, 6279545609, 31397728045, 156988640225]

約数ペア:

[(1, 156988640225), (5, 31397728045), (25, 6279545609), (41, 3828991225), (205, 765798245), (661, 237501725), (1025, 153159649), (3305, 47500345), (16525, 9500069), (27101, 5792725), (135505, 1158545), (231709, 677525)]