51285702980

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{2086481}}^1$

素因数の和:2087719

約数の個数: 24

約数和(自身を含む): 107787660120

約数和(自身を除く): 56501957140

約数列:

[1, 2, 4, 5, 10, 20, 1229, 2458, 4916, 6145, 12290, 24580, 2086481, 4172962, 8345924, 10432405, 20864810, 41729620, 2564285149, 5128570298, 10257140596, 12821425745, 25642851490, 51285702980]

約数ペア:

[(1, 51285702980), (2, 25642851490), (4, 12821425745), (5, 10257140596), (10, 5128570298), (20, 2564285149), (1229, 41729620), (2458, 20864810), (4916, 10432405), (6145, 8345924), (12290, 4172962), (24580, 2086481)]