66040340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{80537}}^1$

素因数の和:80587

約数の個数: 24

約数和(自身を含む): 142069032

約数和(自身を除く): 76028692

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 80537, 161074, 322148, 402685, 805370, 1610740, 3302017, 6604034, 13208068, 16510085, 33020170, 66040340]

約数ペア:

[(1, 66040340), (2, 33020170), (4, 16510085), (5, 13208068), (10, 6604034), (20, 3302017), (41, 1610740), (82, 805370), (164, 402685), (205, 322148), (410, 161074), (820, 80537)]