12228920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27793}}^1$

素因数の和:27815

約数の個数: 32

約数和(自身を含む): 30017520

約数和(自身を除く): 17788600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 27793, 55586, 111172, 138965, 222344, 277930, 305723, 555860, 611446, 1111720, 1222892, 1528615, 2445784, 3057230, 6114460, 12228920]

約数ペア:

[(1, 12228920), (2, 6114460), (4, 3057230), (5, 2445784), (8, 1528615), (10, 1222892), (11, 1111720), (20, 611446), (22, 555860), (40, 305723), (44, 277930), (55, 222344), (88, 138965), (110, 111172), (220, 55586), (440, 27793)]