88381520

素因数分解:

$2^4\times 5^1\times {\mathrm{1104769}}^1$

素因数の和:1104782

約数の個数: 20

約数和(自身を含む): 205487220

約数和(自身を除く): 117105700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1104769, 2209538, 4419076, 5523845, 8838152, 11047690, 17676304, 22095380, 44190760, 88381520]

約数ペア:

[(1, 88381520), (2, 44190760), (4, 22095380), (5, 17676304), (8, 11047690), (10, 8838152), (16, 5523845), (20, 4419076), (40, 2209538), (80, 1104769)]