81392440

素因数分解:

$2^3\times 5^1\times {\mathrm{2034811}}^1$

素因数の和:2034822

約数の個数: 16

約数和(自身を含む): 183133080

約数和(自身を除く): 101740640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2034811, 4069622, 8139244, 10174055, 16278488, 20348110, 40696220, 81392440]

約数ペア:

[(1, 81392440), (2, 40696220), (4, 20348110), (5, 16278488), (8, 10174055), (10, 8139244), (20, 4069622), (40, 2034811)]