978260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 2106216

約数和(自身を除く): 1127956

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1193, 2386, 4772, 5965, 11930, 23860, 48913, 97826, 195652, 244565, 489130, 978260]

約数ペア:

[(1, 978260), (2, 489130), (4, 244565), (5, 195652), (10, 97826), (20, 48913), (41, 23860), (82, 11930), (164, 5965), (205, 4772), (410, 2386), (820, 1193)]