20559011440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1597}}^1\times {\mathrm{14629}}^1$

素因数の和:16250

約数の個数: 80

約数和(自身を含む): 52181347680

約数和(自身を除く): 31622336240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1597, 3194, 6388, 7985, 12776, 14629, 15970, 17567, 25552, 29258, 31940, 35134, 58516, 63880, 70268, 73145, 87835, 117032, 127760, 140536, 146290, 160919, 175670, 234064, 281072, 292580, 321838, 351340, 585160, 643676, 702680, 804595, 1170320, 1287352, 1405360, 1609190, 2574704, 3218380, 6436760, 12873520, 23362513, 46725026, 93450052, 116812565, 186900104, 233625130, 256987643, 373800208, 467250260, 513975286, 934500520, 1027950572, 1284938215, 1869001040, 2055901144, 2569876430, 4111802288, 5139752860, 10279505720, 20559011440]

約数ペア:

[(1, 20559011440), (2, 10279505720), (4, 5139752860), (5, 4111802288), (8, 2569876430), (10, 2055901144), (11, 1869001040), (16, 1284938215), (20, 1027950572), (22, 934500520), (40, 513975286), (44, 467250260), (55, 373800208), (80, 256987643), (88, 233625130), (110, 186900104), (176, 116812565), (220, 93450052), (440, 46725026), (880, 23362513), (1597, 12873520), (3194, 6436760), (6388, 3218380), (7985, 2574704), (12776, 1609190), (14629, 1405360), (15970, 1287352), (17567, 1170320), (25552, 804595), (29258, 702680), (31940, 643676), (35134, 585160), (58516, 351340), (63880, 321838), (70268, 292580), (73145, 281072), (87835, 234064), (117032, 175670), (127760, 160919), (140536, 146290)]