42239240

素因数分解:

$2^3\times 5^1\times {\mathrm{1055981}}^1$

素因数の和:1055992

約数の個数: 16

約数和(自身を含む): 95038380

約数和(自身を除く): 52799140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1055981, 2111962, 4223924, 5279905, 8447848, 10559810, 21119620, 42239240]

約数ペア:

[(1, 42239240), (2, 21119620), (4, 10559810), (5, 8447848), (8, 5279905), (10, 4223924), (20, 2111962), (40, 1055981)]