315444880

素因数分解:

$2^4\times 5^1\times {\mathrm{3943061}}^1$

素因数の和:3943074

約数の個数: 20

約数和(自身を含む): 733409532

約数和(自身を除く): 417964652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3943061, 7886122, 15772244, 19715305, 31544488, 39430610, 63088976, 78861220, 157722440, 315444880]

約数ペア:

[(1, 315444880), (2, 157722440), (4, 78861220), (5, 63088976), (8, 39430610), (10, 31544488), (16, 19715305), (20, 15772244), (40, 7886122), (80, 3943061)]