285401080

素因数分解:

$2^3\times 5^1\times {\mathrm{7135027}}^1$

素因数の和:7135038

約数の個数: 16

約数和(自身を含む): 642152520

約数和(自身を除く): 356751440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7135027, 14270054, 28540108, 35675135, 57080216, 71350270, 142700540, 285401080]

約数ペア:

[(1, 285401080), (2, 142700540), (4, 71350270), (5, 57080216), (8, 35675135), (10, 28540108), (20, 14270054), (40, 7135027)]