40409524

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{72679}}^1$

素因数の和:72822

約数の個数: 12

約数和(自身を含む): 71226400

約数和(自身を除く): 30816876

約数列:

[1, 2, 4, 139, 278, 556, 72679, 145358, 290716, 10102381, 20204762, 40409524]

約数ペア:

[(1, 40409524), (2, 20204762), (4, 10102381), (139, 290716), (278, 145358), (556, 72679)]