670682020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{1279}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 1427005440

約数和(自身を除く): 756323420

約数列:

[1, 2, 4, 5, 10, 20, 157, 167, 314, 334, 628, 668, 785, 835, 1279, 1570, 1670, 2558, 3140, 3340, 5116, 6395, 12790, 25580, 26219, 52438, 104876, 131095, 200803, 213593, 262190, 401606, 427186, 524380, 803212, 854372, 1004015, 1067965, 2008030, 2135930, 4016060, 4271860, 33534101, 67068202, 134136404, 167670505, 335341010, 670682020]

約数ペア:

[(1, 670682020), (2, 335341010), (4, 167670505), (5, 134136404), (10, 67068202), (20, 33534101), (157, 4271860), (167, 4016060), (314, 2135930), (334, 2008030), (628, 1067965), (668, 1004015), (785, 854372), (835, 803212), (1279, 524380), (1570, 427186), (1670, 401606), (2558, 262190), (3140, 213593), (3340, 200803), (5116, 131095), (6395, 104876), (12790, 52438), (25580, 26219)]