430080020

素因数分解:

$2^2\times 5^1\times {\mathrm{2113}}^1\times {\mathrm{10177}}^1$

素因数の和:12299

約数の個数: 24

約数和(自身を含む): 903684264

約数和(自身を除く): 473604244

約数列:

[1, 2, 4, 5, 10, 20, 2113, 4226, 8452, 10177, 10565, 20354, 21130, 40708, 42260, 50885, 101770, 203540, 21504001, 43008002, 86016004, 107520005, 215040010, 430080020]

約数ペア:

[(1, 430080020), (2, 215040010), (4, 107520005), (5, 86016004), (10, 43008002), (20, 21504001), (2113, 203540), (4226, 101770), (8452, 50885), (10177, 42260), (10565, 40708), (20354, 21130)]