23231260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 29688740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 449, 796, 898, 995, 1796, 1990, 2245, 2587, 3980, 4490, 5174, 5837, 8980, 10348, 11674, 12935, 23348, 25870, 29185, 51740, 58370, 89351, 116740, 178702, 357404, 446755, 893510, 1161563, 1787020, 2323126, 4646252, 5807815, 11615630, 23231260]

約数ペア:

[(1, 23231260), (2, 11615630), (4, 5807815), (5, 4646252), (10, 2323126), (13, 1787020), (20, 1161563), (26, 893510), (52, 446755), (65, 357404), (130, 178702), (199, 116740), (260, 89351), (398, 58370), (449, 51740), (796, 29185), (898, 25870), (995, 23348), (1796, 12935), (1990, 11674), (2245, 10348), (2587, 8980), (3980, 5837), (4490, 5174)]