236421520

素因数分解:

$2^4\times 5^1\times {\mathrm{2955269}}^1$

素因数の和:2955282

約数の個数: 20

約数和(自身を含む): 549680220

約数和(自身を除く): 313258700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2955269, 5910538, 11821076, 14776345, 23642152, 29552690, 47284304, 59105380, 118210760, 236421520]

約数ペア:

[(1, 236421520), (2, 118210760), (4, 59105380), (5, 47284304), (8, 29552690), (10, 23642152), (16, 14776345), (20, 11821076), (40, 5910538), (80, 2955269)]