84050440

素因数分解:

$2^3\times 5^1\times {\mathrm{2101261}}^1$

素因数の和:2101272

約数の個数: 16

約数和(自身を含む): 189113580

約数和(自身を除く): 105063140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2101261, 4202522, 8405044, 10506305, 16810088, 21012610, 42025220, 84050440]

約数ペア:

[(1, 84050440), (2, 42025220), (4, 21012610), (5, 16810088), (8, 10506305), (10, 8405044), (20, 4202522), (40, 2101261)]