769741520

素因数分解:

$2^4\times 5^1\times {\mathrm{9621769}}^1$

素因数の和:9621782

約数の個数: 20

約数和(自身を含む): 1789649220

約数和(自身を除く): 1019907700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9621769, 19243538, 38487076, 48108845, 76974152, 96217690, 153948304, 192435380, 384870760, 769741520]

約数ペア:

[(1, 769741520), (2, 384870760), (4, 192435380), (5, 153948304), (8, 96217690), (10, 76974152), (16, 48108845), (20, 38487076), (40, 19243538), (80, 9621769)]