27996840020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17719519}}^1$

素因数の和:17719607

約数の個数: 24

約数和(自身を含む): 59537587200

約数和(自身を除く): 31540747180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 17719519, 35439038, 70878076, 88597595, 177195190, 354390380, 1399842001, 2799684002, 5599368004, 6999210005, 13998420010, 27996840020]

約数ペア:

[(1, 27996840020), (2, 13998420010), (4, 6999210005), (5, 5599368004), (10, 2799684002), (20, 1399842001), (79, 354390380), (158, 177195190), (316, 88597595), (395, 70878076), (790, 35439038), (1580, 17719519)]