28038020

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3041}}^1$

素因数の和:3511

約数の個数: 24

約数和(自身を含む): 59026968

約数和(自身を除く): 30988948

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 3041, 4610, 6082, 9220, 12164, 15205, 30410, 60820, 1401901, 2803802, 5607604, 7009505, 14019010, 28038020]

約数ペア:

[(1, 28038020), (2, 14019010), (4, 7009505), (5, 5607604), (10, 2803802), (20, 1401901), (461, 60820), (922, 30410), (1844, 15205), (2305, 12164), (3041, 9220), (4610, 6082)]