90025730

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{20507}}^1$

素因数の和:20953

約数の個数: 16

約数和(自身を含む): 162423360

約数和(自身を除く): 72397630

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 20507, 41014, 102535, 205070, 9002573, 18005146, 45012865, 90025730]

約数ペア:

[(1, 90025730), (2, 45012865), (5, 18005146), (10, 9002573), (439, 205070), (878, 102535), (2195, 41014), (4390, 20507)]