12680875

素因数分解:

$5^3\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:687

約数の個数: 16

約数和(自身を含む): 15930720

約数和(自身を除く): 3249845

約数列:

[1, 5, 25, 125, 229, 443, 1145, 2215, 5725, 11075, 28625, 55375, 101447, 507235, 2536175, 12680875]

約数ペア:

[(1, 12680875), (5, 2536175), (25, 507235), (125, 101447), (229, 55375), (443, 28625), (1145, 11075), (2215, 5725)]