13025440

素因数分解:

$2^5\times 5^1\times {\mathrm{81409}}^1$

素因数の和:81424

約数の個数: 24

約数和(自身を含む): 30772980

約数和(自身を除く): 17747540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 81409, 162818, 325636, 407045, 651272, 814090, 1302544, 1628180, 2605088, 3256360, 6512720, 13025440]

約数ペア:

[(1, 13025440), (2, 6512720), (4, 3256360), (5, 2605088), (8, 1628180), (10, 1302544), (16, 814090), (20, 651272), (32, 407045), (40, 325636), (80, 162818), (160, 81409)]