41480020

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1609}}^1$

素因数の和:2907

約数の個数: 24

約数和(自身を含む): 87229800

約数和(自身を除く): 45749780

約数列:

[1, 2, 4, 5, 10, 20, 1289, 1609, 2578, 3218, 5156, 6436, 6445, 8045, 12890, 16090, 25780, 32180, 2074001, 4148002, 8296004, 10370005, 20740010, 41480020]

約数ペア:

[(1, 41480020), (2, 20740010), (4, 10370005), (5, 8296004), (10, 4148002), (20, 2074001), (1289, 32180), (1609, 25780), (2578, 16090), (3218, 12890), (5156, 8045), (6436, 6445)]