2315920

素因数分解:

$2^4\times 5^1\times {\mathrm{28949}}^1$

素因数の和:28962

約数の個数: 20

約数和(自身を含む): 5384700

約数和(自身を除く): 3068780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 28949, 57898, 115796, 144745, 231592, 289490, 463184, 578980, 1157960, 2315920]

約数ペア:

[(1, 2315920), (2, 1157960), (4, 578980), (5, 463184), (8, 289490), (10, 231592), (16, 144745), (20, 115796), (40, 57898), (80, 28949)]