123201220

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{21767}}^1$

素因数の和:22059

約数の個数: 24

約数和(自身を含む): 259648704

約数和(自身を除く): 136447484

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 21767, 43534, 87068, 108835, 217670, 435340, 6160061, 12320122, 24640244, 30800305, 61600610, 123201220]

約数ペア:

[(1, 123201220), (2, 61600610), (4, 30800305), (5, 24640244), (10, 12320122), (20, 6160061), (283, 435340), (566, 217670), (1132, 108835), (1415, 87068), (2830, 43534), (5660, 21767)]