25573220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9199}}^1$

素因数の和:9347

約数の個数: 24

約数和(自身を含む): 54096000

約数和(自身を除く): 28522780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9199, 18398, 36796, 45995, 91990, 183980, 1278661, 2557322, 5114644, 6393305, 12786610, 25573220]

約数ペア:

[(1, 25573220), (2, 12786610), (4, 6393305), (5, 5114644), (10, 2557322), (20, 1278661), (139, 183980), (278, 91990), (556, 45995), (695, 36796), (1390, 18398), (2780, 9199)]