190159780

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{8747}}^1$

素因数の和:9843

約数の個数: 24

約数和(自身を含む): 399748608

約数和(自身を除く): 209588828

約数列:

[1, 2, 4, 5, 10, 20, 1087, 2174, 4348, 5435, 8747, 10870, 17494, 21740, 34988, 43735, 87470, 174940, 9507989, 19015978, 38031956, 47539945, 95079890, 190159780]

約数ペア:

[(1, 190159780), (2, 95079890), (4, 47539945), (5, 38031956), (10, 19015978), (20, 9507989), (1087, 174940), (2174, 87470), (4348, 43735), (5435, 34988), (8747, 21740), (10870, 17494)]