252177025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1019}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 330112800

約数和(自身を除く): 77935775

約数列:

[1, 5, 19, 25, 95, 475, 521, 1019, 2605, 5095, 9899, 13025, 19361, 25475, 49495, 96805, 247475, 484025, 530899, 2654495, 10087081, 13272475, 50435405, 252177025]

約数ペア:

[(1, 252177025), (5, 50435405), (19, 13272475), (25, 10087081), (95, 2654495), (475, 530899), (521, 484025), (1019, 247475), (2605, 96805), (5095, 49495), (9899, 25475), (13025, 19361)]