2018220080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{10429}}^1$

素因数の和:10542

約数の個数: 80

約数和(自身を含む): 4888749600

約数和(自身を除く): 2870529520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 59, 80, 82, 118, 164, 205, 236, 295, 328, 410, 472, 590, 656, 820, 944, 1180, 1640, 2360, 2419, 3280, 4720, 4838, 9676, 10429, 12095, 19352, 20858, 24190, 38704, 41716, 48380, 52145, 83432, 96760, 104290, 166864, 193520, 208580, 417160, 427589, 615311, 834320, 855178, 1230622, 1710356, 2137945, 2461244, 3076555, 3420712, 4275890, 4922488, 6153110, 6841424, 8551780, 9844976, 12306220, 17103560, 24612440, 25227751, 34207120, 49224880, 50455502, 100911004, 126138755, 201822008, 252277510, 403644016, 504555020, 1009110040, 2018220080]

約数ペア:

[(1, 2018220080), (2, 1009110040), (4, 504555020), (5, 403644016), (8, 252277510), (10, 201822008), (16, 126138755), (20, 100911004), (40, 50455502), (41, 49224880), (59, 34207120), (80, 25227751), (82, 24612440), (118, 17103560), (164, 12306220), (205, 9844976), (236, 8551780), (295, 6841424), (328, 6153110), (410, 4922488), (472, 4275890), (590, 3420712), (656, 3076555), (820, 2461244), (944, 2137945), (1180, 1710356), (1640, 1230622), (2360, 855178), (2419, 834320), (3280, 615311), (4720, 427589), (4838, 417160), (9676, 208580), (10429, 193520), (12095, 166864), (19352, 104290), (20858, 96760), (24190, 83432), (38704, 52145), (41716, 48380)]