2021028560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{11027}}^1$

素因数の和:11148

約数の個数: 80

約数和(自身を含む): 4922899200

約数和(自身を除く): 2901870640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 79, 80, 116, 145, 158, 232, 290, 316, 395, 464, 580, 632, 790, 1160, 1264, 1580, 2291, 2320, 3160, 4582, 6320, 9164, 11027, 11455, 18328, 22054, 22910, 36656, 44108, 45820, 55135, 88216, 91640, 110270, 176432, 183280, 220540, 319783, 441080, 639566, 871133, 882160, 1279132, 1598915, 1742266, 2558264, 3197830, 3484532, 4355665, 5116528, 6395660, 6969064, 8711330, 12791320, 13938128, 17422660, 25262857, 25582640, 34845320, 50525714, 69690640, 101051428, 126314285, 202102856, 252628570, 404205712, 505257140, 1010514280, 2021028560]

約数ペア:

[(1, 2021028560), (2, 1010514280), (4, 505257140), (5, 404205712), (8, 252628570), (10, 202102856), (16, 126314285), (20, 101051428), (29, 69690640), (40, 50525714), (58, 34845320), (79, 25582640), (80, 25262857), (116, 17422660), (145, 13938128), (158, 12791320), (232, 8711330), (290, 6969064), (316, 6395660), (395, 5116528), (464, 4355665), (580, 3484532), (632, 3197830), (790, 2558264), (1160, 1742266), (1264, 1598915), (1580, 1279132), (2291, 882160), (2320, 871133), (3160, 639566), (4582, 441080), (6320, 319783), (9164, 220540), (11027, 183280), (11455, 176432), (18328, 110270), (22054, 91640), (22910, 88216), (36656, 55135), (44108, 45820)]