87004375

素因数分解:

$5^4\times {\mathrm{107}}^1\times {\mathrm{1301}}^1$

素因数の和:1428

約数の個数: 20

約数和(自身を含む): 109821096

約数和(自身を除く): 22816721

約数列:

[1, 5, 25, 107, 125, 535, 625, 1301, 2675, 6505, 13375, 32525, 66875, 139207, 162625, 696035, 813125, 3480175, 17400875, 87004375]

約数ペア:

[(1, 87004375), (5, 17400875), (25, 3480175), (107, 813125), (125, 696035), (535, 162625), (625, 139207), (1301, 66875), (2675, 32525), (6505, 13375)]