157835120

素因数分解:

$2^4\times 5^1\times {\mathrm{1972939}}^1$

素因数の和:1972952

約数の個数: 20

約数和(自身を含む): 366966840

約数和(自身を除く): 209131720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1972939, 3945878, 7891756, 9864695, 15783512, 19729390, 31567024, 39458780, 78917560, 157835120]

約数ペア:

[(1, 157835120), (2, 78917560), (4, 39458780), (5, 31567024), (8, 19729390), (10, 15783512), (16, 9864695), (20, 7891756), (40, 3945878), (80, 1972939)]