54420920

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6101}}^1$

素因数の和:6335

約数の個数: 32

約数和(自身を含む): 123016320

約数和(自身を除く): 68595400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 6101, 8920, 12202, 24404, 30505, 48808, 61010, 122020, 244040, 1360523, 2721046, 5442092, 6802615, 10884184, 13605230, 27210460, 54420920]

約数ペア:

[(1, 54420920), (2, 27210460), (4, 13605230), (5, 10884184), (8, 6802615), (10, 5442092), (20, 2721046), (40, 1360523), (223, 244040), (446, 122020), (892, 61010), (1115, 48808), (1784, 30505), (2230, 24404), (4460, 12202), (6101, 8920)]