2080810120

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{505051}}^1$

素因数の和:505165

約数の個数: 32

約数和(自身を含む): 4727286720

約数和(自身を除く): 2646476600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 505051, 1010102, 2020204, 2525255, 4040408, 5050510, 10101020, 20202040, 52020253, 104040506, 208081012, 260101265, 416162024, 520202530, 1040405060, 2080810120]

約数ペア:

[(1, 2080810120), (2, 1040405060), (4, 520202530), (5, 416162024), (8, 260101265), (10, 208081012), (20, 104040506), (40, 52020253), (103, 20202040), (206, 10101020), (412, 5050510), (515, 4040408), (824, 2525255), (1030, 2020204), (2060, 1010102), (4120, 505051)]