28539040

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1667}}^1$

素因数の和:1789

約数の個数: 48

約数和(自身を含む): 68094432

約数和(自身を除く): 39555392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1667, 1712, 2140, 3334, 3424, 4280, 6668, 8335, 8560, 13336, 16670, 17120, 26672, 33340, 53344, 66680, 133360, 178369, 266720, 356738, 713476, 891845, 1426952, 1783690, 2853904, 3567380, 5707808, 7134760, 14269520, 28539040]

約数ペア:

[(1, 28539040), (2, 14269520), (4, 7134760), (5, 5707808), (8, 3567380), (10, 2853904), (16, 1783690), (20, 1426952), (32, 891845), (40, 713476), (80, 356738), (107, 266720), (160, 178369), (214, 133360), (428, 66680), (535, 53344), (856, 33340), (1070, 26672), (1667, 17120), (1712, 16670), (2140, 13336), (3334, 8560), (3424, 8335), (4280, 6668)]