8117080

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 18350640

約数和(自身を除く): 10233560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 661, 1228, 1322, 1535, 2456, 2644, 3070, 3305, 5288, 6140, 6610, 12280, 13220, 26440, 202927, 405854, 811708, 1014635, 1623416, 2029270, 4058540, 8117080]

約数ペア:

[(1, 8117080), (2, 4058540), (4, 2029270), (5, 1623416), (8, 1014635), (10, 811708), (20, 405854), (40, 202927), (307, 26440), (614, 13220), (661, 12280), (1228, 6610), (1322, 6140), (1535, 5288), (2456, 3305), (2644, 3070)]