839433040

素因数分解:

$2^4\times 5^1\times {\mathrm{10492913}}^1$

素因数の和:10492926

約数の個数: 20

約数和(自身を含む): 1951682004

約数和(自身を除く): 1112248964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10492913, 20985826, 41971652, 52464565, 83943304, 104929130, 167886608, 209858260, 419716520, 839433040]

約数ペア:

[(1, 839433040), (2, 419716520), (4, 209858260), (5, 167886608), (8, 104929130), (10, 83943304), (16, 52464565), (20, 41971652), (40, 20985826), (80, 10492913)]