158207020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{56909}}^1$

素因数の和:57057

約数の個数: 24

約数和(自身を含む): 334630800

約数和(自身を除く): 176423780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 56909, 113818, 227636, 284545, 569090, 1138180, 7910351, 15820702, 31641404, 39551755, 79103510, 158207020]

約数ペア:

[(1, 158207020), (2, 79103510), (4, 39551755), (5, 31641404), (10, 15820702), (20, 7910351), (139, 1138180), (278, 569090), (556, 284545), (695, 227636), (1390, 113818), (2780, 56909)]