26262220

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2081}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 55264608

約数和(自身を除く): 29002388

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2081, 2524, 3155, 4162, 6310, 8324, 10405, 12620, 20810, 41620, 1313111, 2626222, 5252444, 6565555, 13131110, 26262220]

約数ペア:

[(1, 26262220), (2, 13131110), (4, 6565555), (5, 5252444), (10, 2626222), (20, 1313111), (631, 41620), (1262, 20810), (2081, 12620), (2524, 10405), (3155, 8324), (4162, 6310)]