19782176000

素因数分解:

$2^8\times 5^3\times {\mathrm{29}}^1\times {\mathrm{21317}}^1$

素因数の和:21377

約数の個数: 144

約数和(自身を含む): 50981570640

約数和(自身を除く): 31199394640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 125, 128, 145, 160, 200, 232, 250, 256, 290, 320, 400, 464, 500, 580, 640, 725, 800, 928, 1000, 1160, 1280, 1450, 1600, 1856, 2000, 2320, 2900, 3200, 3625, 3712, 4000, 4640, 5800, 6400, 7250, 7424, 8000, 9280, 11600, 14500, 16000, 18560, 21317, 23200, 29000, 32000, 37120, 42634, 46400, 58000, 85268, 92800, 106585, 116000, 170536, 185600, 213170, 232000, 341072, 426340, 464000, 532925, 618193, 682144, 852680, 928000, 1065850, 1236386, 1364288, 1705360, 2131700, 2472772, 2664625, 2728576, 3090965, 3410720, 4263400, 4945544, 5329250, 5457152, 6181930, 6821440, 8526800, 9891088, 10658500, 12363860, 13642880, 15454825, 17053600, 19782176, 21317000, 24727720, 27285760, 30909650, 34107200, 39564352, 42634000, 49455440, 61819300, 68214400, 77274125, 79128704, 85268000, 98910880, 123638600, 136428800, 154548250, 158257408, 170536000, 197821760, 247277200, 309096500, 341072000, 395643520, 494554400, 618193000, 682144000, 791287040, 989108800, 1236386000, 1978217600, 2472772000, 3956435200, 4945544000, 9891088000, 19782176000]

約数ペア:

[(1, 19782176000), (2, 9891088000), (4, 4945544000), (5, 3956435200), (8, 2472772000), (10, 1978217600), (16, 1236386000), (20, 989108800), (25, 791287040), (29, 682144000), (32, 618193000), (40, 494554400), (50, 395643520), (58, 341072000), (64, 309096500), (80, 247277200), (100, 197821760), (116, 170536000), (125, 158257408), (128, 154548250), (145, 136428800), (160, 123638600), (200, 98910880), (232, 85268000), (250, 79128704), (256, 77274125), (290, 68214400), (320, 61819300), (400, 49455440), (464, 42634000), (500, 39564352), (580, 34107200), (640, 30909650), (725, 27285760), (800, 24727720), (928, 21317000), (1000, 19782176), (1160, 17053600), (1280, 15454825), (1450, 13642880), (1600, 12363860), (1856, 10658500), (2000, 9891088), (2320, 8526800), (2900, 6821440), (3200, 6181930), (3625, 5457152), (3712, 5329250), (4000, 4945544), (4640, 4263400), (5800, 3410720), (6400, 3090965), (7250, 2728576), (7424, 2664625), (8000, 2472772), (9280, 2131700), (11600, 1705360), (14500, 1364288), (16000, 1236386), (18560, 1065850), (21317, 928000), (23200, 852680), (29000, 682144), (32000, 618193), (37120, 532925), (42634, 464000), (46400, 426340), (58000, 341072), (85268, 232000), (92800, 213170), (106585, 185600), (116000, 170536)]