81698080

素因数分解:

$2^5\times 5^1\times {\mathrm{510613}}^1$

素因数の和:510628

約数の個数: 24

約数和(自身を含む): 193012092

約数和(自身を除く): 111314012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 510613, 1021226, 2042452, 2553065, 4084904, 5106130, 8169808, 10212260, 16339616, 20424520, 40849040, 81698080]

約数ペア:

[(1, 81698080), (2, 40849040), (4, 20424520), (5, 16339616), (8, 10212260), (10, 8169808), (16, 5106130), (20, 4084904), (32, 2553065), (40, 2042452), (80, 1021226), (160, 510613)]