42091568

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{25541}}^1$

素因数の和:25652

約数の個数: 20

約数和(自身を含む): 82347408

約数和(自身を除く): 40255840

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 25541, 51082, 102164, 204328, 408656, 2630723, 5261446, 10522892, 21045784, 42091568]

約数ペア:

[(1, 42091568), (2, 21045784), (4, 10522892), (8, 5261446), (16, 2630723), (103, 408656), (206, 204328), (412, 102164), (824, 51082), (1648, 25541)]