40820648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3541}}^1$

素因数の和:3689

約数の個数: 32

約数和(自身を含む): 84157920

約数和(自身を除く): 43337272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 2882, 3541, 5764, 7082, 11528, 14164, 28328, 38951, 77902, 155804, 311608, 463871, 927742, 1855484, 3710968, 5102581, 10205162, 20410324, 40820648]

約数ペア:

[(1, 40820648), (2, 20410324), (4, 10205162), (8, 5102581), (11, 3710968), (22, 1855484), (44, 927742), (88, 463871), (131, 311608), (262, 155804), (524, 77902), (1048, 38951), (1441, 28328), (2882, 14164), (3541, 11528), (5764, 7082)]