52021520

素因数分解:

$2^4\times 5^1\times {\mathrm{650269}}^1$

素因数の和:650282

約数の個数: 20

約数和(自身を含む): 120950220

約数和(自身を除く): 68928700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 650269, 1300538, 2601076, 3251345, 5202152, 6502690, 10404304, 13005380, 26010760, 52021520]

約数ペア:

[(1, 52021520), (2, 26010760), (4, 13005380), (5, 10404304), (8, 6502690), (10, 5202152), (16, 3251345), (20, 2601076), (40, 1300538), (80, 650269)]