40487020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289193}}^1$

素因数の和:289209

約数の個数: 24

約数和(自身を含む): 97169184

約数和(自身を除く): 56682164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289193, 578386, 1156772, 1445965, 2024351, 2891930, 4048702, 5783860, 8097404, 10121755, 20243510, 40487020]

約数ペア:

[(1, 40487020), (2, 20243510), (4, 10121755), (5, 8097404), (7, 5783860), (10, 4048702), (14, 2891930), (20, 2024351), (28, 1445965), (35, 1156772), (70, 578386), (140, 289193)]