16907960

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3041}}^1$

素因数の和:3191

約数の個数: 32

約数和(自身を含む): 38329200

約数和(自身を除く): 21421240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 3041, 5560, 6082, 12164, 15205, 24328, 30410, 60820, 121640, 422699, 845398, 1690796, 2113495, 3381592, 4226990, 8453980, 16907960]

約数ペア:

[(1, 16907960), (2, 8453980), (4, 4226990), (5, 3381592), (8, 2113495), (10, 1690796), (20, 845398), (40, 422699), (139, 121640), (278, 60820), (556, 30410), (695, 24328), (1112, 15205), (1390, 12164), (2780, 6082), (3041, 5560)]