40840016

素因数分解:

$2^4\times 7^1\times {\mathrm{364643}}^1$

素因数の和:364658

約数の個数: 20

約数和(自身を含む): 90431712

約数和(自身を除く): 49591696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 364643, 729286, 1458572, 2552501, 2917144, 5105002, 5834288, 10210004, 20420008, 40840016]

約数ペア:

[(1, 40840016), (2, 20420008), (4, 10210004), (7, 5834288), (8, 5105002), (14, 2917144), (16, 2552501), (28, 1458572), (56, 729286), (112, 364643)]