55142020

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{15937}}^1$

素因数の和:16119

約数の個数: 24

約数和(自身を含む): 116474904

約数和(自身を除く): 61332884

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 15937, 31874, 63748, 79685, 159370, 318740, 2757101, 5514202, 11028404, 13785505, 27571010, 55142020]

約数ペア:

[(1, 55142020), (2, 27571010), (4, 13785505), (5, 11028404), (10, 5514202), (20, 2757101), (173, 318740), (346, 159370), (692, 79685), (865, 63748), (1730, 31874), (3460, 15937)]