126021520

素因数分解:

$2^4\times 5^1\times {\mathrm{1575269}}^1$

素因数の和:1575282

約数の個数: 20

約数和(自身を含む): 293000220

約数和(自身を除く): 166978700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1575269, 3150538, 6301076, 7876345, 12602152, 15752690, 25204304, 31505380, 63010760, 126021520]

約数ペア:

[(1, 126021520), (2, 63010760), (4, 31505380), (5, 25204304), (8, 15752690), (10, 12602152), (16, 7876345), (20, 6301076), (40, 3150538), (80, 1575269)]