79143040

素因数分解:

$2^7\times 5^1\times {\mathrm{123661}}^1$

素因数の和:123680

約数の個数: 32

約数和(自身を含む): 189202860

約数和(自身を除く): 110059820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 123661, 247322, 494644, 618305, 989288, 1236610, 1978576, 2473220, 3957152, 4946440, 7914304, 9892880, 15828608, 19785760, 39571520, 79143040]

約数ペア:

[(1, 79143040), (2, 39571520), (4, 19785760), (5, 15828608), (8, 9892880), (10, 7914304), (16, 4946440), (20, 3957152), (32, 2473220), (40, 1978576), (64, 1236610), (80, 989288), (128, 618305), (160, 494644), (320, 247322), (640, 123661)]