1676720

素因数分解:

$2^4\times 5^1\times {\mathrm{20959}}^1$

素因数の和:20972

約数の個数: 20

約数和(自身を含む): 3898560

約数和(自身を除く): 2221840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20959, 41918, 83836, 104795, 167672, 209590, 335344, 419180, 838360, 1676720]

約数ペア:

[(1, 1676720), (2, 838360), (4, 419180), (5, 335344), (8, 209590), (10, 167672), (16, 104795), (20, 83836), (40, 41918), (80, 20959)]