157846760

素因数分解:

$2^3\times 5^1\times {\mathrm{1811}}^1\times {\mathrm{2179}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 355514400

約数和(自身を除く): 197667640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1811, 2179, 3622, 4358, 7244, 8716, 9055, 10895, 14488, 17432, 18110, 21790, 36220, 43580, 72440, 87160, 3946169, 7892338, 15784676, 19730845, 31569352, 39461690, 78923380, 157846760]

約数ペア:

[(1, 157846760), (2, 78923380), (4, 39461690), (5, 31569352), (8, 19730845), (10, 15784676), (20, 7892338), (40, 3946169), (1811, 87160), (2179, 72440), (3622, 43580), (4358, 36220), (7244, 21790), (8716, 18110), (9055, 17432), (10895, 14488)]