40187980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{287057}}^1$

素因数の和:287073

約数の個数: 24

約数和(自身を含む): 96451488

約数和(自身を除く): 56263508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 287057, 574114, 1148228, 1435285, 2009399, 2870570, 4018798, 5741140, 8037596, 10046995, 20093990, 40187980]

約数ペア:

[(1, 40187980), (2, 20093990), (4, 10046995), (5, 8037596), (7, 5741140), (10, 4018798), (14, 2870570), (20, 2009399), (28, 1435285), (35, 1148228), (70, 574114), (140, 287057)]