8855440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 23302080

約数和(自身を除く): 14446640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 347, 440, 464, 580, 638, 694, 880, 1160, 1276, 1388, 1595, 1735, 2320, 2552, 2776, 3190, 3470, 3817, 5104, 5552, 6380, 6940, 7634, 10063, 12760, 13880, 15268, 19085, 20126, 25520, 27760, 30536, 38170, 40252, 50315, 61072, 76340, 80504, 100630, 110693, 152680, 161008, 201260, 221386, 305360, 402520, 442772, 553465, 805040, 885544, 1106930, 1771088, 2213860, 4427720, 8855440]

約数ペア:

[(1, 8855440), (2, 4427720), (4, 2213860), (5, 1771088), (8, 1106930), (10, 885544), (11, 805040), (16, 553465), (20, 442772), (22, 402520), (29, 305360), (40, 221386), (44, 201260), (55, 161008), (58, 152680), (80, 110693), (88, 100630), (110, 80504), (116, 76340), (145, 61072), (176, 50315), (220, 40252), (232, 38170), (290, 30536), (319, 27760), (347, 25520), (440, 20126), (464, 19085), (580, 15268), (638, 13880), (694, 12760), (880, 10063), (1160, 7634), (1276, 6940), (1388, 6380), (1595, 5552), (1735, 5104), (2320, 3817), (2552, 3470), (2776, 3190)]