13863040

素因数分解:

$2^7\times 5^1\times {\mathrm{21661}}^1$

素因数の和:21680

約数の個数: 32

約数和(自身を含む): 33142860

約数和(自身を除く): 19279820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21661, 43322, 86644, 108305, 173288, 216610, 346576, 433220, 693152, 866440, 1386304, 1732880, 2772608, 3465760, 6931520, 13863040]

約数ペア:

[(1, 13863040), (2, 6931520), (4, 3465760), (5, 2772608), (8, 1732880), (10, 1386304), (16, 866440), (20, 693152), (32, 433220), (40, 346576), (64, 216610), (80, 173288), (128, 108305), (160, 86644), (320, 43322), (640, 21661)]