78532240

素因数分解:

$2^4\times 5^1\times {\mathrm{981653}}^1$

素因数の和:981666

約数の個数: 20

約数和(自身を含む): 182587644

約数和(自身を除く): 104055404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 981653, 1963306, 3926612, 4908265, 7853224, 9816530, 15706448, 19633060, 39266120, 78532240]

約数ペア:

[(1, 78532240), (2, 39266120), (4, 19633060), (5, 15706448), (8, 9816530), (10, 7853224), (16, 4908265), (20, 3926612), (40, 1963306), (80, 981653)]