42020920

素因数分解:

$2^3\times 5^1\times {\mathrm{1050523}}^1$

素因数の和:1050534

約数の個数: 16

約数和(自身を含む): 94547160

約数和(自身を除く): 52526240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1050523, 2101046, 4202092, 5252615, 8404184, 10505230, 21010460, 42020920]

約数ペア:

[(1, 42020920), (2, 21010460), (4, 10505230), (5, 8404184), (8, 5252615), (10, 4202092), (20, 2101046), (40, 1050523)]