200081380

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{8861}}^1$

素因数の和:9999

約数の個数: 24

約数和(自身を含む): 420590520

約数和(自身を除く): 220509140

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4516, 5645, 8861, 11290, 17722, 22580, 35444, 44305, 88610, 177220, 10004069, 20008138, 40016276, 50020345, 100040690, 200081380]

約数ペア:

[(1, 200081380), (2, 100040690), (4, 50020345), (5, 40016276), (10, 20008138), (20, 10004069), (1129, 177220), (2258, 88610), (4516, 44305), (5645, 35444), (8861, 22580), (11290, 17722)]