66483640

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2237}}^1$

素因数の和:2991

約数の個数: 32

約数和(自身を含む): 149856480

約数和(自身を除く): 83372840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2237, 2972, 3715, 4474, 5944, 7430, 8948, 11185, 14860, 17896, 22370, 29720, 44740, 89480, 1662091, 3324182, 6648364, 8310455, 13296728, 16620910, 33241820, 66483640]

約数ペア:

[(1, 66483640), (2, 33241820), (4, 16620910), (5, 13296728), (8, 8310455), (10, 6648364), (20, 3324182), (40, 1662091), (743, 89480), (1486, 44740), (2237, 29720), (2972, 22370), (3715, 17896), (4474, 14860), (5944, 11185), (7430, 8948)]