80672120

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8807}}^1$

素因数の和:9047

約数の個数: 32

約数和(自身を含む): 182325600

約数和(自身を除く): 101653480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 8807, 9160, 17614, 35228, 44035, 70456, 88070, 176140, 352280, 2016803, 4033606, 8067212, 10084015, 16134424, 20168030, 40336060, 80672120]

約数ペア:

[(1, 80672120), (2, 40336060), (4, 20168030), (5, 16134424), (8, 10084015), (10, 8067212), (20, 4033606), (40, 2016803), (229, 352280), (458, 176140), (916, 88070), (1145, 70456), (1832, 44035), (2290, 35228), (4580, 17614), (8807, 9160)]