80744840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{183511}}^1$

素因数の和:183533

約数の個数: 32

約数和(自身を含む): 198192960

約数和(自身を除く): 117448120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 183511, 367022, 734044, 917555, 1468088, 1835110, 2018621, 3670220, 4037242, 7340440, 8074484, 10093105, 16148968, 20186210, 40372420, 80744840]

約数ペア:

[(1, 80744840), (2, 40372420), (4, 20186210), (5, 16148968), (8, 10093105), (10, 8074484), (11, 7340440), (20, 4037242), (22, 3670220), (40, 2018621), (44, 1835110), (55, 1468088), (88, 917555), (110, 734044), (220, 367022), (440, 183511)]