8032120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1279}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 18201600

約数和(自身を除く): 10169480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1279, 1570, 2558, 3140, 5116, 6280, 6395, 10232, 12790, 25580, 51160, 200803, 401606, 803212, 1004015, 1606424, 2008030, 4016060, 8032120]

約数ペア:

[(1, 8032120), (2, 4016060), (4, 2008030), (5, 1606424), (8, 1004015), (10, 803212), (20, 401606), (40, 200803), (157, 51160), (314, 25580), (628, 12790), (785, 10232), (1256, 6395), (1279, 6280), (1570, 5116), (2558, 3140)]