20117757500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{829}}^1$

素因数の和:1441

約数の個数: 120

約数和(自身を含む): 46719232560

約数和(自身を除く): 26601475060

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 571, 625, 829, 850, 1142, 1250, 1658, 1700, 2125, 2284, 2500, 2855, 3316, 4145, 4250, 5710, 8290, 8500, 9707, 10625, 11420, 14093, 14275, 16580, 19414, 20725, 21250, 28186, 28550, 38828, 41450, 42500, 48535, 56372, 57100, 70465, 71375, 82900, 97070, 103625, 140930, 142750, 194140, 207250, 242675, 281860, 285500, 352325, 356875, 414500, 473359, 485350, 518125, 704650, 713750, 946718, 970700, 1036250, 1213375, 1409300, 1427500, 1761625, 1893436, 2072500, 2366795, 2426750, 3523250, 4733590, 4853500, 6066875, 7046500, 8047103, 8808125, 9467180, 11833975, 12133750, 16094206, 17616250, 23667950, 24267500, 32188412, 35232500, 40235515, 47335900, 59169875, 80471030, 118339750, 160942060, 201177575, 236679500, 295849375, 402355150, 591698750, 804710300, 1005887875, 1183397500, 2011775750, 4023551500, 5029439375, 10058878750, 20117757500]

約数ペア:

[(1, 20117757500), (2, 10058878750), (4, 5029439375), (5, 4023551500), (10, 2011775750), (17, 1183397500), (20, 1005887875), (25, 804710300), (34, 591698750), (50, 402355150), (68, 295849375), (85, 236679500), (100, 201177575), (125, 160942060), (170, 118339750), (250, 80471030), (340, 59169875), (425, 47335900), (500, 40235515), (571, 35232500), (625, 32188412), (829, 24267500), (850, 23667950), (1142, 17616250), (1250, 16094206), (1658, 12133750), (1700, 11833975), (2125, 9467180), (2284, 8808125), (2500, 8047103), (2855, 7046500), (3316, 6066875), (4145, 4853500), (4250, 4733590), (5710, 3523250), (8290, 2426750), (8500, 2366795), (9707, 2072500), (10625, 1893436), (11420, 1761625), (14093, 1427500), (14275, 1409300), (16580, 1213375), (19414, 1036250), (20725, 970700), (21250, 946718), (28186, 713750), (28550, 704650), (38828, 518125), (41450, 485350), (42500, 473359), (48535, 414500), (56372, 356875), (57100, 352325), (70465, 285500), (71375, 281860), (82900, 242675), (97070, 207250), (103625, 194140), (140930, 142750)]