2016408080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1039}}^1\times {\mathrm{1427}}^1$

素因数の和:2496

約数の個数: 80

約数和(自身を含む): 4972181760

約数和(自身を除く): 2955773680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1039, 1360, 1427, 2078, 2854, 4156, 5195, 5708, 7135, 8312, 10390, 11416, 14270, 16624, 17663, 20780, 22832, 24259, 28540, 35326, 41560, 48518, 57080, 70652, 83120, 88315, 97036, 114160, 121295, 141304, 176630, 194072, 242590, 282608, 353260, 388144, 485180, 706520, 970360, 1413040, 1482653, 1940720, 2965306, 5930612, 7413265, 11861224, 14826530, 23722448, 25205101, 29653060, 50410202, 59306120, 100820404, 118612240, 126025505, 201640808, 252051010, 403281616, 504102020, 1008204040, 2016408080]

約数ペア:

[(1, 2016408080), (2, 1008204040), (4, 504102020), (5, 403281616), (8, 252051010), (10, 201640808), (16, 126025505), (17, 118612240), (20, 100820404), (34, 59306120), (40, 50410202), (68, 29653060), (80, 25205101), (85, 23722448), (136, 14826530), (170, 11861224), (272, 7413265), (340, 5930612), (680, 2965306), (1039, 1940720), (1360, 1482653), (1427, 1413040), (2078, 970360), (2854, 706520), (4156, 485180), (5195, 388144), (5708, 353260), (7135, 282608), (8312, 242590), (10390, 194072), (11416, 176630), (14270, 141304), (16624, 121295), (17663, 114160), (20780, 97036), (22832, 88315), (24259, 83120), (28540, 70652), (35326, 57080), (41560, 48518)]