1931361875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{162641}}^1$

素因数の和:162680

約数の個数: 20

約数和(自身を含む): 2540468040

約数和(自身を除く): 609106165

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 2375, 11875, 162641, 813205, 3090179, 4066025, 15450895, 20330125, 77254475, 101650625, 386272375, 1931361875]

約数ペア:

[(1, 1931361875), (5, 386272375), (19, 101650625), (25, 77254475), (95, 20330125), (125, 15450895), (475, 4066025), (625, 3090179), (2375, 813205), (11875, 162641)]