10813960

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{661}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 24427800

約数和(自身を除く): 13613840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 661, 818, 1322, 1636, 2045, 2644, 3272, 3305, 4090, 5288, 6610, 8180, 13220, 16360, 26440, 270349, 540698, 1081396, 1351745, 2162792, 2703490, 5406980, 10813960]

約数ペア:

[(1, 10813960), (2, 5406980), (4, 2703490), (5, 2162792), (8, 1351745), (10, 1081396), (20, 540698), (40, 270349), (409, 26440), (661, 16360), (818, 13220), (1322, 8180), (1636, 6610), (2045, 5288), (2644, 4090), (3272, 3305)]