7761875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{1129}}^1$

素因数の和:1160

約数の個数: 20

約数和(自身を含む): 10590360

約数和(自身を除く): 2828485

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1129, 1375, 5645, 6875, 12419, 28225, 62095, 141125, 310475, 705625, 1552375, 7761875]

約数ペア:

[(1, 7761875), (5, 1552375), (11, 705625), (25, 310475), (55, 141125), (125, 62095), (275, 28225), (625, 12419), (1129, 6875), (1375, 5645)]