64756625

素因数分解:

$5^3\times {\mathrm{139}}^1\times {\mathrm{3727}}^1$

素因数の和:3881

約数の個数: 16

約数和(自身を含む): 81419520

約数和(自身を除く): 16662895

約数列:

[1, 5, 25, 125, 139, 695, 3475, 3727, 17375, 18635, 93175, 465875, 518053, 2590265, 12951325, 64756625]

約数ペア:

[(1, 64756625), (5, 12951325), (25, 2590265), (125, 518053), (139, 465875), (695, 93175), (3475, 18635), (3727, 17375)]