87026740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{255961}}^1$

素因数の和:255987

約数の個数: 24

約数和(自身を含む): 193507272

約数和(自身を除く): 106480532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 255961, 511922, 1023844, 1279805, 2559610, 4351337, 5119220, 8702674, 17405348, 21756685, 43513370, 87026740]

約数ペア:

[(1, 87026740), (2, 43513370), (4, 21756685), (5, 17405348), (10, 8702674), (17, 5119220), (20, 4351337), (34, 2559610), (68, 1279805), (85, 1023844), (170, 511922), (340, 255961)]