25579790

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{6379}}^1$

素因数の和:6787

約数の個数: 16

約数和(自身を含む): 46165680

約数和(自身を除く): 20585890

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 6379, 12758, 31895, 63790, 2557979, 5115958, 12789895, 25579790]

約数ペア:

[(1, 25579790), (2, 12789895), (5, 5115958), (10, 2557979), (401, 63790), (802, 31895), (2005, 12758), (4010, 6379)]