845559620

素因数分解:

$2^2\times 5^1\times {\mathrm{42277981}}^1$

素因数の和:42277990

約数の個数: 12

約数和(自身を含む): 1775675244

約数和(自身を除く): 930115624

約数列:

[1, 2, 4, 5, 10, 20, 42277981, 84555962, 169111924, 211389905, 422779810, 845559620]

約数ペア:

[(1, 845559620), (2, 422779810), (4, 211389905), (5, 169111924), (10, 84555962), (20, 42277981)]