43280140

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5563}}^1$

素因数の和:5961

約数の個数: 24

約数和(自身を含む): 91138320

約数和(自身を除く): 47858180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 5563, 7780, 11126, 22252, 27815, 55630, 111260, 2164007, 4328014, 8656028, 10820035, 21640070, 43280140]

約数ペア:

[(1, 43280140), (2, 21640070), (4, 10820035), (5, 8656028), (10, 4328014), (20, 2164007), (389, 111260), (778, 55630), (1556, 27815), (1945, 22252), (3890, 11126), (5563, 7780)]