16078640

素因数分解:

$2^4\times 5^1\times {\mathrm{200983}}^1$

素因数の和:200996

約数の個数: 20

約数和(自身を含む): 37383024

約数和(自身を除く): 21304384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 200983, 401966, 803932, 1004915, 1607864, 2009830, 3215728, 4019660, 8039320, 16078640]

約数ペア:

[(1, 16078640), (2, 8039320), (4, 4019660), (5, 3215728), (8, 2009830), (10, 1607864), (16, 1004915), (20, 803932), (40, 401966), (80, 200983)]