80659840

素因数分解:

$2^7\times 5^1\times {\mathrm{126031}}^1$

素因数の和:126050

約数の個数: 32

約数和(自身を含む): 192828960

約数和(自身を除く): 112169120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 126031, 252062, 504124, 630155, 1008248, 1260310, 2016496, 2520620, 4032992, 5041240, 8065984, 10082480, 16131968, 20164960, 40329920, 80659840]

約数ペア:

[(1, 80659840), (2, 40329920), (4, 20164960), (5, 16131968), (8, 10082480), (10, 8065984), (16, 5041240), (20, 4032992), (32, 2520620), (40, 2016496), (64, 1260310), (80, 1008248), (128, 630155), (160, 504124), (320, 252062), (640, 126031)]