42347090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{47581}}^1$

素因数の和:47677

約数の個数: 16

約数和(自身を含む): 77082840

約数和(自身を除く): 34735750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 47581, 95162, 237905, 475810, 4234709, 8469418, 21173545, 42347090]

約数ペア:

[(1, 42347090), (2, 21173545), (5, 8469418), (10, 4234709), (89, 475810), (178, 237905), (445, 95162), (890, 47581)]