2634740

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 5591040

約数和(自身を除く): 2956300

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 1279, 2060, 2558, 5116, 6395, 12790, 25580, 131737, 263474, 526948, 658685, 1317370, 2634740]

約数ペア:

[(1, 2634740), (2, 1317370), (4, 658685), (5, 526948), (10, 263474), (20, 131737), (103, 25580), (206, 12790), (412, 6395), (515, 5116), (1030, 2558), (1279, 2060)]