104821520

素因数分解:

$2^4\times 5^1\times {\mathrm{1310269}}^1$

素因数の和:1310282

約数の個数: 20

約数和(自身を含む): 243710220

約数和(自身を除く): 138888700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1310269, 2620538, 5241076, 6551345, 10482152, 13102690, 20964304, 26205380, 52410760, 104821520]

約数ペア:

[(1, 104821520), (2, 52410760), (4, 26205380), (5, 20964304), (8, 13102690), (10, 10482152), (16, 6551345), (20, 5241076), (40, 2620538), (80, 1310269)]