27885880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63377}}^1$

素因数の和:63399

約数の個数: 32

約数和(自身を含む): 68448240

約数和(自身を除く): 40562360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63377, 126754, 253508, 316885, 507016, 633770, 697147, 1267540, 1394294, 2535080, 2788588, 3485735, 5577176, 6971470, 13942940, 27885880]

約数ペア:

[(1, 27885880), (2, 13942940), (4, 6971470), (5, 5577176), (8, 3485735), (10, 2788588), (11, 2535080), (20, 1394294), (22, 1267540), (40, 697147), (44, 633770), (55, 507016), (88, 316885), (110, 253508), (220, 126754), (440, 63377)]