7691875

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:448

約数の個数: 20

約数和(自身を含む): 9946816

約数和(自身を除く): 2254941

約数列:

[1, 5, 25, 31, 125, 155, 397, 625, 775, 1985, 3875, 9925, 12307, 19375, 49625, 61535, 248125, 307675, 1538375, 7691875]

約数ペア:

[(1, 7691875), (5, 1538375), (25, 307675), (31, 248125), (125, 61535), (155, 49625), (397, 19375), (625, 12307), (775, 9925), (1985, 3875)]