38864680

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5087}}^1$

素因数の和:5289

約数の個数: 32

約数和(自身を含む): 87920640

約数和(自身を除く): 49055960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 5087, 7640, 10174, 20348, 25435, 40696, 50870, 101740, 203480, 971617, 1943234, 3886468, 4858085, 7772936, 9716170, 19432340, 38864680]

約数ペア:

[(1, 38864680), (2, 19432340), (4, 9716170), (5, 7772936), (8, 4858085), (10, 3886468), (20, 1943234), (40, 971617), (191, 203480), (382, 101740), (764, 50870), (955, 40696), (1528, 25435), (1910, 20348), (3820, 10174), (5087, 7640)]