200920850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{309109}}^1$

素因数の和:309134

約数の個数: 24

約数和(自身を含む): 402461220

約数和(自身を除く): 201540370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 309109, 618218, 1545545, 3091090, 4018417, 7727725, 8036834, 15455450, 20092085, 40184170, 100460425, 200920850]

約数ペア:

[(1, 200920850), (2, 100460425), (5, 40184170), (10, 20092085), (13, 15455450), (25, 8036834), (26, 7727725), (50, 4018417), (65, 3091090), (130, 1545545), (325, 618218), (650, 309109)]