15861620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10039}}^1$

素因数の和:10127

約数の個数: 24

約数和(自身を含む): 33734400

約数和(自身を除く): 17872780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 10039, 20078, 40156, 50195, 100390, 200780, 793081, 1586162, 3172324, 3965405, 7930810, 15861620]

約数ペア:

[(1, 15861620), (2, 7930810), (4, 3965405), (5, 3172324), (10, 1586162), (20, 793081), (79, 200780), (158, 100390), (316, 50195), (395, 40156), (790, 20078), (1580, 10039)]