6405160220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7811171}}^1$

素因数の和:7811221

約数の個数: 24

約数和(自身を含む): 13778907408

約数和(自身を除く): 7373747188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 7811171, 15622342, 31244684, 39055855, 78111710, 156223420, 320258011, 640516022, 1281032044, 1601290055, 3202580110, 6405160220]

約数ペア:

[(1, 6405160220), (2, 3202580110), (4, 1601290055), (5, 1281032044), (10, 640516022), (20, 320258011), (41, 156223420), (82, 78111710), (164, 39055855), (205, 31244684), (410, 15622342), (820, 7811171)]