9894020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3559}}^1$

素因数の和:3707

約数の個数: 24

約数和(自身を含む): 20932800

約数和(自身を除く): 11038780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 3559, 7118, 14236, 17795, 35590, 71180, 494701, 989402, 1978804, 2473505, 4947010, 9894020]

約数ペア:

[(1, 9894020), (2, 4947010), (4, 2473505), (5, 1978804), (10, 989402), (20, 494701), (139, 71180), (278, 35590), (556, 17795), (695, 14236), (1390, 7118), (2780, 3559)]