2016121880

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{238877}}^1$

素因数の和:239099

約数の個数: 32

約数和(自身を含む): 4557792240

約数和(自身を除く): 2541670360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 238877, 477754, 955508, 1194385, 1911016, 2388770, 4777540, 9555080, 50403047, 100806094, 201612188, 252015235, 403224376, 504030470, 1008060940, 2016121880]

約数ペア:

[(1, 2016121880), (2, 1008060940), (4, 504030470), (5, 403224376), (8, 252015235), (10, 201612188), (20, 100806094), (40, 50403047), (211, 9555080), (422, 4777540), (844, 2388770), (1055, 1911016), (1688, 1194385), (2110, 955508), (4220, 477754), (8440, 238877)]