80310140

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{22433}}^1$

素因数の和:22621

約数の個数: 24

約数和(自身を含む): 169601040

約数和(自身を除く): 89290900

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 22433, 44866, 89732, 112165, 224330, 448660, 4015507, 8031014, 16062028, 20077535, 40155070, 80310140]

約数ペア:

[(1, 80310140), (2, 40155070), (4, 20077535), (5, 16062028), (10, 8031014), (20, 4015507), (179, 448660), (358, 224330), (716, 112165), (895, 89732), (1790, 44866), (3580, 22433)]