7125625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:910

約数の個数: 20

約数和(自身を含む): 9600052

約数和(自身を除く): 2474427

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 877, 1625, 4385, 8125, 11401, 21925, 57005, 109625, 285025, 548125, 1425125, 7125625]

約数ペア:

[(1, 7125625), (5, 1425125), (13, 548125), (25, 285025), (65, 109625), (125, 57005), (325, 21925), (625, 11401), (877, 8125), (1625, 4385)]