13130020

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3299}}^1$

素因数の和:3507

約数の個数: 24

約数和(自身を含む): 27720000

約数和(自身を除く): 14589980

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3299, 3980, 6598, 13196, 16495, 32990, 65980, 656501, 1313002, 2626004, 3282505, 6565010, 13130020]

約数ペア:

[(1, 13130020), (2, 6565010), (4, 3282505), (5, 2626004), (10, 1313002), (20, 656501), (199, 65980), (398, 32990), (796, 16495), (995, 13196), (1990, 6598), (3299, 3980)]