80415020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{574393}}^1$

素因数の和:574409

約数の個数: 24

約数和(自身を含む): 192996384

約数和(自身を除く): 112581364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 574393, 1148786, 2297572, 2871965, 4020751, 5743930, 8041502, 11487860, 16083004, 20103755, 40207510, 80415020]

約数ペア:

[(1, 80415020), (2, 40207510), (4, 20103755), (5, 16083004), (7, 11487860), (10, 8041502), (14, 5743930), (20, 4020751), (28, 2871965), (35, 2297572), (70, 1148786), (140, 574393)]