1951900512820

素因数分解:

$2^2\times 5^1\times {\mathrm{6247}}^1\times {\mathrm{15622703}}^1$

素因数の和:15628959

約数の個数: 24

約数和(自身を含む): 4099647492864

約数和(自身を除く): 2147746980044

約数列:

[1, 2, 4, 5, 10, 20, 6247, 12494, 24988, 31235, 62470, 124940, 15622703, 31245406, 62490812, 78113515, 156227030, 312454060, 97595025641, 195190051282, 390380102564, 487975128205, 975950256410, 1951900512820]

約数ペア:

[(1, 1951900512820), (2, 975950256410), (4, 487975128205), (5, 390380102564), (10, 195190051282), (20, 97595025641), (6247, 312454060), (12494, 156227030), (24988, 78113515), (31235, 62490812), (62470, 31245406), (124940, 15622703)]