2080943980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{748541}}^1$

素因数の和:748689

約数の個数: 24

約数和(自身を含む): 4401426960

約数和(自身を除く): 2320482980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 748541, 1497082, 2994164, 3742705, 7485410, 14970820, 104047199, 208094398, 416188796, 520235995, 1040471990, 2080943980]

約数ペア:

[(1, 2080943980), (2, 1040471990), (4, 520235995), (5, 416188796), (10, 208094398), (20, 104047199), (139, 14970820), (278, 7485410), (556, 3742705), (695, 2994164), (1390, 1497082), (2780, 748541)]