16926680

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1609}}^1$

素因数の和:1883

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 21326920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 1609, 2104, 2630, 3218, 5260, 6436, 8045, 10520, 12872, 16090, 32180, 64360, 423167, 846334, 1692668, 2115835, 3385336, 4231670, 8463340, 16926680]

約数ペア:

[(1, 16926680), (2, 8463340), (4, 4231670), (5, 3385336), (8, 2115835), (10, 1692668), (20, 846334), (40, 423167), (263, 64360), (526, 32180), (1052, 16090), (1315, 12872), (1609, 10520), (2104, 8045), (2630, 6436), (3218, 5260)]