28062080

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 67748400

約数和(自身を除く): 39686320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 269, 320, 326, 538, 640, 652, 815, 1076, 1304, 1345, 1630, 2152, 2608, 2690, 3260, 4304, 5216, 5380, 6520, 8608, 10432, 10760, 13040, 17216, 20864, 21520, 26080, 34432, 43040, 43847, 52160, 86080, 87694, 104320, 172160, 175388, 219235, 350776, 438470, 701552, 876940, 1403104, 1753880, 2806208, 3507760, 5612416, 7015520, 14031040, 28062080]

約数ペア:

[(1, 28062080), (2, 14031040), (4, 7015520), (5, 5612416), (8, 3507760), (10, 2806208), (16, 1753880), (20, 1403104), (32, 876940), (40, 701552), (64, 438470), (80, 350776), (128, 219235), (160, 175388), (163, 172160), (269, 104320), (320, 87694), (326, 86080), (538, 52160), (640, 43847), (652, 43040), (815, 34432), (1076, 26080), (1304, 21520), (1345, 20864), (1630, 17216), (2152, 13040), (2608, 10760), (2690, 10432), (3260, 8608), (4304, 6520), (5216, 5380)]