2682020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 6265728

約数和(自身を除く): 3583708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 167, 220, 292, 334, 365, 668, 730, 803, 835, 1460, 1606, 1670, 1837, 3212, 3340, 3674, 4015, 7348, 8030, 9185, 12191, 16060, 18370, 24382, 36740, 48764, 60955, 121910, 134101, 243820, 268202, 536404, 670505, 1341010, 2682020]

約数ペア:

[(1, 2682020), (2, 1341010), (4, 670505), (5, 536404), (10, 268202), (11, 243820), (20, 134101), (22, 121910), (44, 60955), (55, 48764), (73, 36740), (110, 24382), (146, 18370), (167, 16060), (220, 12191), (292, 9185), (334, 8030), (365, 7348), (668, 4015), (730, 3674), (803, 3340), (835, 3212), (1460, 1837), (1606, 1670)]