2015806460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1531}}^2$

素因数の和:3114

約数の個数: 36

約数和(自身を含む): 4334471064

約数和(自身を除く): 2318664604

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1531, 3062, 6124, 7655, 15310, 30620, 65833, 131666, 263332, 329165, 658330, 1316660, 2343961, 4687922, 9375844, 11719805, 23439610, 46879220, 100790323, 201580646, 403161292, 503951615, 1007903230, 2015806460]

約数ペア:

[(1, 2015806460), (2, 1007903230), (4, 503951615), (5, 403161292), (10, 201580646), (20, 100790323), (43, 46879220), (86, 23439610), (172, 11719805), (215, 9375844), (430, 4687922), (860, 2343961), (1531, 1316660), (3062, 658330), (6124, 329165), (7655, 263332), (15310, 131666), (30620, 65833)]