61277480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139267}}^1$

素因数の和:139289

約数の個数: 32

約数和(自身を含む): 150409440

約数和(自身を除く): 89131960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 139267, 278534, 557068, 696335, 1114136, 1392670, 1531937, 2785340, 3063874, 5570680, 6127748, 7659685, 12255496, 15319370, 30638740, 61277480]

約数ペア:

[(1, 61277480), (2, 30638740), (4, 15319370), (5, 12255496), (8, 7659685), (10, 6127748), (11, 5570680), (20, 3063874), (22, 2785340), (40, 1531937), (44, 1392670), (55, 1114136), (88, 696335), (110, 557068), (220, 278534), (440, 139267)]