28787600

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1008

約数の個数: 60

約数和(自身を含む): 70114560

約数和(自身を除く): 41326960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 911, 1264, 1580, 1822, 1975, 3160, 3644, 3950, 4555, 6320, 7288, 7900, 9110, 14576, 15800, 18220, 22775, 31600, 36440, 45550, 71969, 72880, 91100, 143938, 182200, 287876, 359845, 364400, 575752, 719690, 1151504, 1439380, 1799225, 2878760, 3598450, 5757520, 7196900, 14393800, 28787600]

約数ペア:

[(1, 28787600), (2, 14393800), (4, 7196900), (5, 5757520), (8, 3598450), (10, 2878760), (16, 1799225), (20, 1439380), (25, 1151504), (40, 719690), (50, 575752), (79, 364400), (80, 359845), (100, 287876), (158, 182200), (200, 143938), (316, 91100), (395, 72880), (400, 71969), (632, 45550), (790, 36440), (911, 31600), (1264, 22775), (1580, 18220), (1822, 15800), (1975, 14576), (3160, 9110), (3644, 7900), (3950, 7288), (4555, 6320)]