16205780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27941}}^1$

素因数の和:27979

約数の個数: 24

約数和(自身を含む): 35206920

約数和(自身を除く): 19001140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 27941, 55882, 111764, 139705, 279410, 558820, 810289, 1620578, 3241156, 4051445, 8102890, 16205780]

約数ペア:

[(1, 16205780), (2, 8102890), (4, 4051445), (5, 3241156), (10, 1620578), (20, 810289), (29, 558820), (58, 279410), (116, 139705), (145, 111764), (290, 55882), (580, 27941)]