2012303920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{11491}}^1$

素因数の和:11714

約数の個数: 80

約数和(自身を含む): 5130028800

約数和(自身を除く): 3117724880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 398, 440, 796, 880, 995, 1592, 1990, 2189, 3184, 3980, 4378, 7960, 8756, 10945, 11491, 15920, 17512, 21890, 22982, 35024, 43780, 45964, 57455, 87560, 91928, 114910, 126401, 175120, 183856, 229820, 252802, 459640, 505604, 632005, 919280, 1011208, 1264010, 2022416, 2286709, 2528020, 4573418, 5056040, 9146836, 10112080, 11433545, 18293672, 22867090, 25153799, 36587344, 45734180, 50307598, 91468360, 100615196, 125768995, 182936720, 201230392, 251537990, 402460784, 503075980, 1006151960, 2012303920]

約数ペア:

[(1, 2012303920), (2, 1006151960), (4, 503075980), (5, 402460784), (8, 251537990), (10, 201230392), (11, 182936720), (16, 125768995), (20, 100615196), (22, 91468360), (40, 50307598), (44, 45734180), (55, 36587344), (80, 25153799), (88, 22867090), (110, 18293672), (176, 11433545), (199, 10112080), (220, 9146836), (398, 5056040), (440, 4573418), (796, 2528020), (880, 2286709), (995, 2022416), (1592, 1264010), (1990, 1011208), (2189, 919280), (3184, 632005), (3980, 505604), (4378, 459640), (7960, 252802), (8756, 229820), (10945, 183856), (11491, 175120), (15920, 126401), (17512, 114910), (21890, 91928), (22982, 87560), (35024, 57455), (43780, 45964)]