28672340

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2099}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 60328800

約数和(自身を除く): 31656460

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2099, 2732, 3415, 4198, 6830, 8396, 10495, 13660, 20990, 41980, 1433617, 2867234, 5734468, 7168085, 14336170, 28672340]

約数ペア:

[(1, 28672340), (2, 14336170), (4, 7168085), (5, 5734468), (10, 2867234), (20, 1433617), (683, 41980), (1366, 20990), (2099, 13660), (2732, 10495), (3415, 8396), (4198, 6830)]