156985030220

素因数分解:

$2^2\times 5^1\times {\mathrm{7849251511}}^1$

素因数の和:7849251520

約数の個数: 12

約数和(自身を含む): 329668563504

約数和(自身を除く): 172683533284

約数列:

[1, 2, 4, 5, 10, 20, 7849251511, 15698503022, 31397006044, 39246257555, 78492515110, 156985030220]

約数ペア:

[(1, 156985030220), (2, 78492515110), (4, 39246257555), (5, 31397006044), (10, 15698503022), (20, 7849251511)]