2556125

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{13}}^2$

素因数の和:63

約数の個数: 36

約数和(自身を含む): 3796884

約数和(自身を除く): 1240759

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 125, 143, 169, 275, 325, 605, 715, 845, 1375, 1573, 1625, 1859, 3025, 3575, 4225, 7865, 9295, 15125, 17875, 20449, 21125, 39325, 46475, 102245, 196625, 232375, 511225, 2556125]

約数ペア:

[(1, 2556125), (5, 511225), (11, 232375), (13, 196625), (25, 102245), (55, 46475), (65, 39325), (121, 21125), (125, 20449), (143, 17875), (169, 15125), (275, 9295), (325, 7865), (605, 4225), (715, 3575), (845, 3025), (1375, 1859), (1573, 1625)]