43481980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15641}}^1$

素因数の和:15789

約数の個数: 24

約数和(自身を含む): 91974960

約数和(自身を除く): 48492980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 15641, 31282, 62564, 78205, 156410, 312820, 2174099, 4348198, 8696396, 10870495, 21740990, 43481980]

約数ペア:

[(1, 43481980), (2, 21740990), (4, 10870495), (5, 8696396), (10, 4348198), (20, 2174099), (139, 312820), (278, 156410), (556, 78205), (695, 62564), (1390, 31282), (2780, 15641)]