12538990

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6301}}^1$

素因数の和:6507

約数の個数: 16

約数和(自身を含む): 22687200

約数和(自身を除く): 10148210

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 6301, 12602, 31505, 63010, 1253899, 2507798, 6269495, 12538990]

約数ペア:

[(1, 12538990), (2, 6269495), (5, 2507798), (10, 1253899), (199, 63010), (398, 31505), (995, 12602), (1990, 6301)]