64923025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 83979000

約数和(自身を除く): 19055975

約数列:

[1, 5, 25, 29, 145, 149, 601, 725, 745, 3005, 3725, 4321, 15025, 17429, 21605, 87145, 89549, 108025, 435725, 447745, 2238725, 2596921, 12984605, 64923025]

約数ペア:

[(1, 64923025), (5, 12984605), (25, 2596921), (29, 2238725), (145, 447745), (149, 435725), (601, 108025), (725, 89549), (745, 87145), (3005, 21605), (3725, 17429), (4321, 15025)]