42139970

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{9221}}^1$

素因数の和:9685

約数の個数: 16

約数和(自身を含む): 76026168

約数和(自身を除く): 33886198

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 9221, 18442, 46105, 92210, 4213997, 8427994, 21069985, 42139970]

約数ペア:

[(1, 42139970), (2, 21069985), (5, 8427994), (10, 4213997), (457, 92210), (914, 46105), (2285, 18442), (4570, 9221)]