38986420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{177211}}^1$

素因数の和:177231

約数の個数: 24

約数和(自身を含む): 89314848

約数和(自身を除く): 50328428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 177211, 354422, 708844, 886055, 1772110, 1949321, 3544220, 3898642, 7797284, 9746605, 19493210, 38986420]

約数ペア:

[(1, 38986420), (2, 19493210), (4, 9746605), (5, 7797284), (10, 3898642), (11, 3544220), (20, 1949321), (22, 1772110), (44, 886055), (55, 708844), (110, 354422), (220, 177211)]