2788891340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3401087}}^1$

素因数の和:3401137

約数の個数: 24

約数和(自身を含む): 5999519232

約数和(自身を除く): 3210627892

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3401087, 6802174, 13604348, 17005435, 34010870, 68021740, 139444567, 278889134, 557778268, 697222835, 1394445670, 2788891340]

約数ペア:

[(1, 2788891340), (2, 1394445670), (4, 697222835), (5, 557778268), (10, 278889134), (20, 139444567), (41, 68021740), (82, 34010870), (164, 17005435), (205, 13604348), (410, 6802174), (820, 3401087)]