80935025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{281}}^2$

素因数の和:613

約数の個数: 18

約数和(自身を含む): 103174386

約数和(自身を除く): 22239361

約数列:

[1, 5, 25, 41, 205, 281, 1025, 1405, 7025, 11521, 57605, 78961, 288025, 394805, 1974025, 3237401, 16187005, 80935025]

約数ペア:

[(1, 80935025), (5, 16187005), (25, 3237401), (41, 1974025), (205, 394805), (281, 288025), (1025, 78961), (1405, 57605), (7025, 11521)]