16432840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3769}}^1$

素因数の和:3889

約数の個数: 32

約数和(自身を含む): 37323000

約数和(自身を除く): 20890160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3769, 4360, 7538, 15076, 18845, 30152, 37690, 75380, 150760, 410821, 821642, 1643284, 2054105, 3286568, 4108210, 8216420, 16432840]

約数ペア:

[(1, 16432840), (2, 8216420), (4, 4108210), (5, 3286568), (8, 2054105), (10, 1643284), (20, 821642), (40, 410821), (109, 150760), (218, 75380), (436, 37690), (545, 30152), (872, 18845), (1090, 15076), (2180, 7538), (3769, 4360)]