42854440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9829}}^1$

素因数の和:9949

約数の個数: 32

約数和(自身を含む): 97317000

約数和(自身を除く): 54462560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9829, 19658, 39316, 49145, 78632, 98290, 196580, 393160, 1071361, 2142722, 4285444, 5356805, 8570888, 10713610, 21427220, 42854440]

約数ペア:

[(1, 42854440), (2, 21427220), (4, 10713610), (5, 8570888), (8, 5356805), (10, 4285444), (20, 2142722), (40, 1071361), (109, 393160), (218, 196580), (436, 98290), (545, 78632), (872, 49145), (1090, 39316), (2180, 19658), (4360, 9829)]