26689280

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 66225600

約数和(自身を除く): 39536320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 719, 928, 1160, 1280, 1438, 1856, 2320, 2876, 3595, 3712, 4640, 5752, 7190, 7424, 9280, 11504, 14380, 18560, 20851, 23008, 28760, 37120, 41702, 46016, 57520, 83404, 92032, 104255, 115040, 166808, 184064, 208510, 230080, 333616, 417020, 460160, 667232, 834040, 920320, 1334464, 1668080, 2668928, 3336160, 5337856, 6672320, 13344640, 26689280]

約数ペア:

[(1, 26689280), (2, 13344640), (4, 6672320), (5, 5337856), (8, 3336160), (10, 2668928), (16, 1668080), (20, 1334464), (29, 920320), (32, 834040), (40, 667232), (58, 460160), (64, 417020), (80, 333616), (116, 230080), (128, 208510), (145, 184064), (160, 166808), (232, 115040), (256, 104255), (290, 92032), (320, 83404), (464, 57520), (580, 46016), (640, 41702), (719, 37120), (928, 28760), (1160, 23008), (1280, 20851), (1438, 18560), (1856, 14380), (2320, 11504), (2876, 9280), (3595, 7424), (3712, 7190), (4640, 5752)]