9892880

素因数分解:

$2^4\times 5^1\times {\mathrm{123661}}^1$

素因数の和:123674

約数の個数: 20

約数和(自身を含む): 23001132

約数和(自身を除く): 13108252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123661, 247322, 494644, 618305, 989288, 1236610, 1978576, 2473220, 4946440, 9892880]

約数ペア:

[(1, 9892880), (2, 4946440), (4, 2473220), (5, 1978576), (8, 1236610), (10, 989288), (16, 618305), (20, 494644), (40, 247322), (80, 123661)]