22787920

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{643}}^1$

素因数の和:1099

約数の個数: 40

約数和(自身を含む): 53184096

約数和(自身を除く): 30396176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 643, 886, 1286, 1772, 2215, 2572, 3215, 3544, 4430, 5144, 6430, 7088, 8860, 10288, 12860, 17720, 25720, 35440, 51440, 284849, 569698, 1139396, 1424245, 2278792, 2848490, 4557584, 5696980, 11393960, 22787920]

約数ペア:

[(1, 22787920), (2, 11393960), (4, 5696980), (5, 4557584), (8, 2848490), (10, 2278792), (16, 1424245), (20, 1139396), (40, 569698), (80, 284849), (443, 51440), (643, 35440), (886, 25720), (1286, 17720), (1772, 12860), (2215, 10288), (2572, 8860), (3215, 7088), (3544, 6430), (4430, 5144)]