22042040

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{857}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 49729680

約数和(自身を除く): 27687640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 857, 1286, 1714, 2572, 3215, 3428, 4285, 5144, 6430, 6856, 8570, 12860, 17140, 25720, 34280, 551051, 1102102, 2204204, 2755255, 4408408, 5510510, 11021020, 22042040]

約数ペア:

[(1, 22042040), (2, 11021020), (4, 5510510), (5, 4408408), (8, 2755255), (10, 2204204), (20, 1102102), (40, 551051), (643, 34280), (857, 25720), (1286, 17140), (1714, 12860), (2572, 8570), (3215, 6856), (3428, 6430), (4285, 5144)]