42355990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{47591}}^1$

素因数の和:47687

約数の個数: 16

約数和(自身を含む): 77099040

約数和(自身を除く): 34743050

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 47591, 95182, 237955, 475910, 4235599, 8471198, 21177995, 42355990]

約数ペア:

[(1, 42355990), (2, 21177995), (5, 8471198), (10, 4235599), (89, 475910), (178, 237955), (445, 95182), (890, 47591)]