2016205640

素因数分解:

$2^3\times 5^1\times {\mathrm{12829}}^1\times {\mathrm{3929}}^1$

素因数の和:16769

約数の個数: 32

約数和(自身を含む): 4537971000

約数和(自身を除く): 2521765360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3929, 7858, 12829, 15716, 19645, 25658, 31432, 39290, 51316, 64145, 78580, 102632, 128290, 157160, 256580, 513160, 50405141, 100810282, 201620564, 252025705, 403241128, 504051410, 1008102820, 2016205640]

約数ペア:

[(1, 2016205640), (2, 1008102820), (4, 504051410), (5, 403241128), (8, 252025705), (10, 201620564), (20, 100810282), (40, 50405141), (3929, 513160), (7858, 256580), (12829, 157160), (15716, 128290), (19645, 102632), (25658, 78580), (31432, 64145), (39290, 51316)]