870528020

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{34849}}^1$

素因数の和:36107

約数の個数: 24

約数和(自身を含む): 1829625000

約数和(自身を除く): 959096980

約数列:

[1, 2, 4, 5, 10, 20, 1249, 2498, 4996, 6245, 12490, 24980, 34849, 69698, 139396, 174245, 348490, 696980, 43526401, 87052802, 174105604, 217632005, 435264010, 870528020]

約数ペア:

[(1, 870528020), (2, 435264010), (4, 217632005), (5, 174105604), (10, 87052802), (20, 43526401), (1249, 696980), (2498, 348490), (4996, 174245), (6245, 139396), (12490, 69698), (24980, 34849)]