87740210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{204047}}^1$

素因数の和:204097

約数の個数: 16

約数和(自身を含む): 161606016

約数和(自身を除く): 73865806

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 204047, 408094, 1020235, 2040470, 8774021, 17548042, 43870105, 87740210]

約数ペア:

[(1, 87740210), (2, 43870105), (5, 17548042), (10, 8774021), (43, 2040470), (86, 1020235), (215, 408094), (430, 204047)]