42442640

素因数分解:

$2^4\times 5^1\times {\mathrm{530533}}^1$

素因数の和:530546

約数の個数: 20

約数和(自身を含む): 98679324

約数和(自身を除く): 56236684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 530533, 1061066, 2122132, 2652665, 4244264, 5305330, 8488528, 10610660, 21221320, 42442640]

約数ペア:

[(1, 42442640), (2, 21221320), (4, 10610660), (5, 8488528), (8, 5305330), (10, 4244264), (16, 2652665), (20, 2122132), (40, 1061066), (80, 530533)]