2016221680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{3631}}^1$

素因数の和:4286

約数の個数: 80

約数和(自身を含む): 5123386368

約数和(自身を除く): 3107164688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 631, 880, 1262, 2524, 3155, 3631, 5048, 6310, 6941, 7262, 10096, 12620, 13882, 14524, 18155, 25240, 27764, 29048, 34705, 36310, 39941, 50480, 55528, 58096, 69410, 72620, 79882, 111056, 138820, 145240, 159764, 199705, 277640, 290480, 319528, 399410, 555280, 639056, 798820, 1597640, 2291161, 3195280, 4582322, 9164644, 11455805, 18329288, 22911610, 25202771, 36658576, 45823220, 50405542, 91646440, 100811084, 126013855, 183292880, 201622168, 252027710, 403244336, 504055420, 1008110840, 2016221680]

約数ペア:

[(1, 2016221680), (2, 1008110840), (4, 504055420), (5, 403244336), (8, 252027710), (10, 201622168), (11, 183292880), (16, 126013855), (20, 100811084), (22, 91646440), (40, 50405542), (44, 45823220), (55, 36658576), (80, 25202771), (88, 22911610), (110, 18329288), (176, 11455805), (220, 9164644), (440, 4582322), (631, 3195280), (880, 2291161), (1262, 1597640), (2524, 798820), (3155, 639056), (3631, 555280), (5048, 399410), (6310, 319528), (6941, 290480), (7262, 277640), (10096, 199705), (12620, 159764), (13882, 145240), (14524, 138820), (18155, 111056), (25240, 79882), (27764, 72620), (29048, 69410), (34705, 58096), (36310, 55528), (39941, 50480)]