2109084920

素因数分解:

$2^3\times 5^1\times {\mathrm{52727123}}^1$

素因数の和:52727134

約数の個数: 16

約数和(自身を含む): 4745441160

約数和(自身を除く): 2636356240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 52727123, 105454246, 210908492, 263635615, 421816984, 527271230, 1054542460, 2109084920]

約数ペア:

[(1, 2109084920), (2, 1054542460), (4, 527271230), (5, 421816984), (8, 263635615), (10, 210908492), (20, 105454246), (40, 52727123)]