100981820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{49991}}^1$

素因数の和:50101

約数の個数: 24

約数和(自身を含む): 214165728

約数和(自身を除く): 113183908

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 49991, 99982, 199964, 249955, 499910, 999820, 5049091, 10098182, 20196364, 25245455, 50490910, 100981820]

約数ペア:

[(1, 100981820), (2, 50490910), (4, 25245455), (5, 20196364), (10, 10098182), (20, 5049091), (101, 999820), (202, 499910), (404, 249955), (505, 199964), (1010, 99982), (2020, 49991)]