788005520

素因数分解:

$2^4\times 5^1\times {\mathrm{9850069}}^1$

素因数の和:9850082

約数の個数: 20

約数和(自身を含む): 1832113020

約数和(自身を除く): 1044107500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9850069, 19700138, 39400276, 49250345, 78800552, 98500690, 157601104, 197001380, 394002760, 788005520]

約数ペア:

[(1, 788005520), (2, 394002760), (4, 197001380), (5, 157601104), (8, 98500690), (10, 78800552), (16, 49250345), (20, 39400276), (40, 19700138), (80, 9850069)]