20128599500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1319}}^1\times {\mathrm{1327}}^1$

素因数の和:2688

約数の個数: 96

約数和(自身を含む): 45941575680

約数和(自身を除く): 25812976180

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1319, 1327, 2300, 2638, 2654, 2875, 5276, 5308, 5750, 6595, 6635, 11500, 13190, 13270, 26380, 26540, 30337, 30521, 32975, 33175, 60674, 61042, 65950, 66350, 121348, 122084, 131900, 132700, 151685, 152605, 164875, 165875, 303370, 305210, 329750, 331750, 606740, 610420, 659500, 663500, 758425, 763025, 1516850, 1526050, 1750313, 3033700, 3052100, 3500626, 3792125, 3815125, 7001252, 7584250, 7630250, 8751565, 15168500, 15260500, 17503130, 35006260, 40257199, 43757825, 80514398, 87515650, 161028796, 175031300, 201285995, 218789125, 402571990, 437578250, 805143980, 875156500, 1006429975, 2012859950, 4025719900, 5032149875, 10064299750, 20128599500]

約数ペア:

[(1, 20128599500), (2, 10064299750), (4, 5032149875), (5, 4025719900), (10, 2012859950), (20, 1006429975), (23, 875156500), (25, 805143980), (46, 437578250), (50, 402571990), (92, 218789125), (100, 201285995), (115, 175031300), (125, 161028796), (230, 87515650), (250, 80514398), (460, 43757825), (500, 40257199), (575, 35006260), (1150, 17503130), (1319, 15260500), (1327, 15168500), (2300, 8751565), (2638, 7630250), (2654, 7584250), (2875, 7001252), (5276, 3815125), (5308, 3792125), (5750, 3500626), (6595, 3052100), (6635, 3033700), (11500, 1750313), (13190, 1526050), (13270, 1516850), (26380, 763025), (26540, 758425), (30337, 663500), (30521, 659500), (32975, 610420), (33175, 606740), (60674, 331750), (61042, 329750), (65950, 305210), (66350, 303370), (121348, 165875), (122084, 164875), (131900, 152605), (132700, 151685)]