201561580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{916189}}^1$

素因数の和:916209

約数の個数: 24

約数和(自身を含む): 461759760

約数和(自身を除く): 260198180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 916189, 1832378, 3664756, 4580945, 9161890, 10078079, 18323780, 20156158, 40312316, 50390395, 100780790, 201561580]

約数ペア:

[(1, 201561580), (2, 100780790), (4, 50390395), (5, 40312316), (10, 20156158), (11, 18323780), (20, 10078079), (22, 9161890), (44, 4580945), (55, 3664756), (110, 1832378), (220, 916189)]