4071740

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1249}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 8610000

約数和(自身を除く): 4538260

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1249, 1630, 2498, 3260, 4996, 6245, 12490, 24980, 203587, 407174, 814348, 1017935, 2035870, 4071740]

約数ペア:

[(1, 4071740), (2, 2035870), (4, 1017935), (5, 814348), (10, 407174), (20, 203587), (163, 24980), (326, 12490), (652, 6245), (815, 4996), (1249, 3260), (1630, 2498)]