557405720

素因数分解:

$2^3\times 5^1\times {\mathrm{13935143}}^1$

素因数の和:13935154

約数の個数: 16

約数和(自身を含む): 1254162960

約数和(自身を除く): 696757240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13935143, 27870286, 55740572, 69675715, 111481144, 139351430, 278702860, 557405720]

約数ペア:

[(1, 557405720), (2, 278702860), (4, 139351430), (5, 111481144), (8, 69675715), (10, 55740572), (20, 27870286), (40, 13935143)]