78863140

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{3083}}^1$

素因数の和:4371

約数の個数: 24

約数和(自身を含む): 165795840

約数和(自身を除く): 86932700

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 3083, 5116, 6166, 6395, 12332, 12790, 15415, 25580, 30830, 61660, 3943157, 7886314, 15772628, 19715785, 39431570, 78863140]

約数ペア:

[(1, 78863140), (2, 39431570), (4, 19715785), (5, 15772628), (10, 7886314), (20, 3943157), (1279, 61660), (2558, 30830), (3083, 25580), (5116, 15415), (6166, 12790), (6395, 12332)]