5218840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 13284000

約数和(自身を除く): 8065160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 409, 440, 580, 638, 818, 1160, 1276, 1595, 1636, 2045, 2552, 3190, 3272, 4090, 4499, 6380, 8180, 8998, 11861, 12760, 16360, 17996, 22495, 23722, 35992, 44990, 47444, 59305, 89980, 94888, 118610, 130471, 179960, 237220, 260942, 474440, 521884, 652355, 1043768, 1304710, 2609420, 5218840]

約数ペア:

[(1, 5218840), (2, 2609420), (4, 1304710), (5, 1043768), (8, 652355), (10, 521884), (11, 474440), (20, 260942), (22, 237220), (29, 179960), (40, 130471), (44, 118610), (55, 94888), (58, 89980), (88, 59305), (110, 47444), (116, 44990), (145, 35992), (220, 23722), (232, 22495), (290, 17996), (319, 16360), (409, 12760), (440, 11861), (580, 8998), (638, 8180), (818, 6380), (1160, 4499), (1276, 4090), (1595, 3272), (1636, 3190), (2045, 2552)]