421543480

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{82981}}^1$

素因数の和:83119

約数の個数: 32

約数和(自身を含む): 955952640

約数和(自身を除く): 534409160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 82981, 165962, 331924, 414905, 663848, 829810, 1659620, 3319240, 10538587, 21077174, 42154348, 52692935, 84308696, 105385870, 210771740, 421543480]

約数ペア:

[(1, 421543480), (2, 210771740), (4, 105385870), (5, 84308696), (8, 52692935), (10, 42154348), (20, 21077174), (40, 10538587), (127, 3319240), (254, 1659620), (508, 829810), (635, 663848), (1016, 414905), (1270, 331924), (2540, 165962), (5080, 82981)]