39828220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48571}}^1$

素因数の和:48621

約数の個数: 24

約数和(自身を含む): 85681008

約数和(自身を除く): 45852788

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 48571, 97142, 194284, 242855, 485710, 971420, 1991411, 3982822, 7965644, 9957055, 19914110, 39828220]

約数ペア:

[(1, 39828220), (2, 19914110), (4, 9957055), (5, 7965644), (10, 3982822), (20, 1991411), (41, 971420), (82, 485710), (164, 242855), (205, 194284), (410, 97142), (820, 48571)]