12746680

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1429}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 28828800

約数和(自身を除く): 16082120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1429, 1784, 2230, 2858, 4460, 5716, 7145, 8920, 11432, 14290, 28580, 57160, 318667, 637334, 1274668, 1593335, 2549336, 3186670, 6373340, 12746680]

約数ペア:

[(1, 12746680), (2, 6373340), (4, 3186670), (5, 2549336), (8, 1593335), (10, 1274668), (20, 637334), (40, 318667), (223, 57160), (446, 28580), (892, 14290), (1115, 11432), (1429, 8920), (1784, 7145), (2230, 5716), (2858, 4460)]