2018808880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{12011}}^1$

素因数の和:12226

約数の個数: 80

約数和(自身を含む): 5147670528

約数和(自身を除く): 3128861648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 191, 220, 382, 440, 764, 880, 955, 1528, 1910, 2101, 3056, 3820, 4202, 7640, 8404, 10505, 12011, 15280, 16808, 21010, 24022, 33616, 42020, 48044, 60055, 84040, 96088, 120110, 132121, 168080, 192176, 240220, 264242, 480440, 528484, 660605, 960880, 1056968, 1321210, 2113936, 2294101, 2642420, 4588202, 5284840, 9176404, 10569680, 11470505, 18352808, 22941010, 25235111, 36705616, 45882020, 50470222, 91764040, 100940444, 126175555, 183528080, 201880888, 252351110, 403761776, 504702220, 1009404440, 2018808880]

約数ペア:

[(1, 2018808880), (2, 1009404440), (4, 504702220), (5, 403761776), (8, 252351110), (10, 201880888), (11, 183528080), (16, 126175555), (20, 100940444), (22, 91764040), (40, 50470222), (44, 45882020), (55, 36705616), (80, 25235111), (88, 22941010), (110, 18352808), (176, 11470505), (191, 10569680), (220, 9176404), (382, 5284840), (440, 4588202), (764, 2642420), (880, 2294101), (955, 2113936), (1528, 1321210), (1910, 1056968), (2101, 960880), (3056, 660605), (3820, 528484), (4202, 480440), (7640, 264242), (8404, 240220), (10505, 192176), (12011, 168080), (15280, 132121), (16808, 120110), (21010, 96088), (24022, 84040), (33616, 60055), (42020, 48044)]