80658860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139067}}^1$

素因数の和:139105

約数の個数: 24

約数和(自身を含む): 175225680

約数和(自身を除く): 94566820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 139067, 278134, 556268, 695335, 1390670, 2781340, 4032943, 8065886, 16131772, 20164715, 40329430, 80658860]

約数ペア:

[(1, 80658860), (2, 40329430), (4, 20164715), (5, 16131772), (10, 8065886), (20, 4032943), (29, 2781340), (58, 1390670), (116, 695335), (145, 556268), (290, 278134), (580, 139067)]