28108460

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4027}}^1$

素因数の和:4385

約数の個数: 24

約数和(自身を含む): 59211600

約数和(自身を除く): 31103140

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 4027, 6980, 8054, 16108, 20135, 40270, 80540, 1405423, 2810846, 5621692, 7027115, 14054230, 28108460]

約数ペア:

[(1, 28108460), (2, 14054230), (4, 7027115), (5, 5621692), (10, 2810846), (20, 1405423), (349, 80540), (698, 40270), (1396, 20135), (1745, 16108), (3490, 8054), (4027, 6980)]