25998320

素因数分解:

$2^4\times 5^1\times {\mathrm{324979}}^1$

素因数の和:324992

約数の個数: 20

約数和(自身を含む): 60446280

約数和(自身を除く): 34447960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 324979, 649958, 1299916, 1624895, 2599832, 3249790, 5199664, 6499580, 12999160, 25998320]

約数ペア:

[(1, 25998320), (2, 12999160), (4, 6499580), (5, 5199664), (8, 3249790), (10, 2599832), (16, 1624895), (20, 1299916), (40, 649958), (80, 324979)]