82255880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1117}}^1$

素因数の和:1398

約数の個数: 64

約数和(自身を含む): 212509440

約数和(自身を除く): 130253560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1117, 1315, 1841, 2104, 2234, 2630, 3682, 4468, 5260, 5585, 7364, 7819, 8936, 9205, 10520, 11170, 14728, 15638, 18410, 22340, 31276, 36820, 39095, 44680, 62552, 73640, 78190, 156380, 293771, 312760, 587542, 1175084, 1468855, 2056397, 2350168, 2937710, 4112794, 5875420, 8225588, 10281985, 11750840, 16451176, 20563970, 41127940, 82255880]

約数ペア:

[(1, 82255880), (2, 41127940), (4, 20563970), (5, 16451176), (7, 11750840), (8, 10281985), (10, 8225588), (14, 5875420), (20, 4112794), (28, 2937710), (35, 2350168), (40, 2056397), (56, 1468855), (70, 1175084), (140, 587542), (263, 312760), (280, 293771), (526, 156380), (1052, 78190), (1117, 73640), (1315, 62552), (1841, 44680), (2104, 39095), (2234, 36820), (2630, 31276), (3682, 22340), (4468, 18410), (5260, 15638), (5585, 14728), (7364, 11170), (7819, 10520), (8936, 9205)]