156920802440

素因数分解:

$2^3\times 5^1\times {\mathrm{3923020061}}^1$

素因数の和:3923020072

約数の個数: 16

約数和(自身を含む): 353071805580

約数和(自身を除く): 196151003140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3923020061, 7846040122, 15692080244, 19615100305, 31384160488, 39230200610, 78460401220, 156920802440]

約数ペア:

[(1, 156920802440), (2, 78460401220), (4, 39230200610), (5, 31384160488), (8, 19615100305), (10, 15692080244), (20, 7846040122), (40, 3923020061)]