80951840

素因数分解:

$2^5\times 5^1\times {\mathrm{505949}}^1$

素因数の和:505964

約数の個数: 24

約数和(自身を含む): 191249100

約数和(自身を除く): 110297260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 505949, 1011898, 2023796, 2529745, 4047592, 5059490, 8095184, 10118980, 16190368, 20237960, 40475920, 80951840]

約数ペア:

[(1, 80951840), (2, 40475920), (4, 20237960), (5, 16190368), (8, 10118980), (10, 8095184), (16, 5059490), (20, 4047592), (32, 2529745), (40, 2023796), (80, 1011898), (160, 505949)]