28472180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129419}}^1$

素因数の和:129439

約数の個数: 24

約数和(自身を含む): 65227680

約数和(自身を除く): 36755500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129419, 258838, 517676, 647095, 1294190, 1423609, 2588380, 2847218, 5694436, 7118045, 14236090, 28472180]

約数ペア:

[(1, 28472180), (2, 14236090), (4, 7118045), (5, 5694436), (10, 2847218), (11, 2588380), (20, 1423609), (22, 1294190), (44, 647095), (55, 517676), (110, 258838), (220, 129419)]