165200920

素因数分解:

$2^3\times 5^1\times {\mathrm{4130023}}^1$

素因数の和:4130034

約数の個数: 16

約数和(自身を含む): 371702160

約数和(自身を除く): 206501240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4130023, 8260046, 16520092, 20650115, 33040184, 41300230, 82600460, 165200920]

約数ペア:

[(1, 165200920), (2, 82600460), (4, 41300230), (5, 33040184), (8, 20650115), (10, 16520092), (20, 8260046), (40, 4130023)]