81363320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107057}}^1$

素因数の和:107087

約数の個数: 32

約数和(自身を含む): 192704400

約数和(自身を除く): 111341080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 107057, 214114, 428228, 535285, 856456, 1070570, 2034083, 2141140, 4068166, 4282280, 8136332, 10170415, 16272664, 20340830, 40681660, 81363320]

約数ペア:

[(1, 81363320), (2, 40681660), (4, 20340830), (5, 16272664), (8, 10170415), (10, 8136332), (19, 4282280), (20, 4068166), (38, 2141140), (40, 2034083), (76, 1070570), (95, 856456), (152, 535285), (190, 428228), (380, 214114), (760, 107057)]