80701580

素因数分解:

$2^2\times 5^1\times {\mathrm{4035079}}^1$

素因数の和:4035088

約数の個数: 12

約数和(自身を含む): 169473360

約数和(自身を除く): 88771780

約数列:

[1, 2, 4, 5, 10, 20, 4035079, 8070158, 16140316, 20175395, 40350790, 80701580]

約数ペア:

[(1, 80701580), (2, 40350790), (4, 20175395), (5, 16140316), (10, 8070158), (20, 4035079)]