2081540

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 4401600

約数和(自身を除く): 2320060

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 523, 796, 995, 1046, 1990, 2092, 2615, 3980, 5230, 10460, 104077, 208154, 416308, 520385, 1040770, 2081540]

約数ペア:

[(1, 2081540), (2, 1040770), (4, 520385), (5, 416308), (10, 208154), (20, 104077), (199, 10460), (398, 5230), (523, 3980), (796, 2615), (995, 2092), (1046, 1990)]