28668020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34961}}^1$

素因数の和:35011

約数の個数: 24

約数和(自身を含む): 61672968

約数和(自身を除く): 33004948

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34961, 69922, 139844, 174805, 349610, 699220, 1433401, 2866802, 5733604, 7167005, 14334010, 28668020]

約数ペア:

[(1, 28668020), (2, 14334010), (4, 7167005), (5, 5733604), (10, 2866802), (20, 1433401), (41, 699220), (82, 349610), (164, 174805), (205, 139844), (410, 69922), (820, 34961)]