89044540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1721}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 202507200

約数和(自身を除く): 113462660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1721, 1990, 2587, 3442, 3980, 5174, 6884, 8605, 10348, 12935, 17210, 22373, 25870, 34420, 44746, 51740, 89492, 111865, 223730, 342479, 447460, 684958, 1369916, 1712395, 3424790, 4452227, 6849580, 8904454, 17808908, 22261135, 44522270, 89044540]

約数ペア:

[(1, 89044540), (2, 44522270), (4, 22261135), (5, 17808908), (10, 8904454), (13, 6849580), (20, 4452227), (26, 3424790), (52, 1712395), (65, 1369916), (130, 684958), (199, 447460), (260, 342479), (398, 223730), (796, 111865), (995, 89492), (1721, 51740), (1990, 44746), (2587, 34420), (3442, 25870), (3980, 22373), (5174, 17210), (6884, 12935), (8605, 10348)]