87442520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198733}}^1$

素因数の和:198755

約数の個数: 32

約数和(自身を含む): 214632720

約数和(自身を除く): 127190200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 198733, 397466, 794932, 993665, 1589864, 1987330, 2186063, 3974660, 4372126, 7949320, 8744252, 10930315, 17488504, 21860630, 43721260, 87442520]

約数ペア:

[(1, 87442520), (2, 43721260), (4, 21860630), (5, 17488504), (8, 10930315), (10, 8744252), (11, 7949320), (20, 4372126), (22, 3974660), (40, 2186063), (44, 1987330), (55, 1589864), (88, 993665), (110, 794932), (220, 397466), (440, 198733)]