42787120

素因数分解:

$2^4\times 5^1\times {\mathrm{534839}}^1$

素因数の和:534852

約数の個数: 20

約数和(自身を含む): 99480240

約数和(自身を除く): 56693120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 534839, 1069678, 2139356, 2674195, 4278712, 5348390, 8557424, 10696780, 21393560, 42787120]

約数ペア:

[(1, 42787120), (2, 21393560), (4, 10696780), (5, 8557424), (8, 5348390), (10, 4278712), (16, 2674195), (20, 2139356), (40, 1069678), (80, 534839)]