272079020

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{21157}}^1$

素因数の和:21809

約数の個数: 24

約数和(自身を含む): 572281584

約数和(自身を除く): 300202564

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 21157, 42314, 84628, 105785, 211570, 423140, 13603951, 27207902, 54415804, 68019755, 136039510, 272079020]

約数ペア:

[(1, 272079020), (2, 136039510), (4, 68019755), (5, 54415804), (10, 27207902), (20, 13603951), (643, 423140), (1286, 211570), (2572, 105785), (3215, 84628), (6430, 42314), (12860, 21157)]