80454572020

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{8260223}}^1$

素因数の和:8260719

約数の個数: 24

約数和(自身を含む): 169301551104

約数和(自身を除く): 88846979084

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 8260223, 16520446, 33040892, 41301115, 82602230, 165204460, 4022728601, 8045457202, 16090914404, 20113643005, 40227286010, 80454572020]

約数ペア:

[(1, 80454572020), (2, 40227286010), (4, 20113643005), (5, 16090914404), (10, 8045457202), (20, 4022728601), (487, 165204460), (974, 82602230), (1948, 41301115), (2435, 33040892), (4870, 16520446), (9740, 8260223)]