28574680

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2297}}^1$

素因数の和:2619

約数の個数: 32

約数和(自身を含む): 64527840

約数和(自身を除く): 35953160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2297, 2488, 3110, 4594, 6220, 9188, 11485, 12440, 18376, 22970, 45940, 91880, 714367, 1428734, 2857468, 3571835, 5714936, 7143670, 14287340, 28574680]

約数ペア:

[(1, 28574680), (2, 14287340), (4, 7143670), (5, 5714936), (8, 3571835), (10, 2857468), (20, 1428734), (40, 714367), (311, 91880), (622, 45940), (1244, 22970), (1555, 18376), (2297, 12440), (2488, 11485), (3110, 9188), (4594, 6220)]