3996925

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 5301000

約数和(自身を除く): 1304075

約数列:

[1, 5, 25, 29, 37, 145, 149, 185, 725, 745, 925, 1073, 3725, 4321, 5365, 5513, 21605, 26825, 27565, 108025, 137825, 159877, 799385, 3996925]

約数ペア:

[(1, 3996925), (5, 799385), (25, 159877), (29, 137825), (37, 108025), (145, 27565), (149, 26825), (185, 21605), (725, 5513), (745, 5365), (925, 4321), (1073, 3725)]