2006392880

素因数分解:

$2^4\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{19609}}^1$

素因数の和:20901

約数の個数: 40

約数和(自身を含む): 4668748800

約数和(自身を除く): 2662355920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1279, 2558, 5116, 6395, 10232, 12790, 19609, 20464, 25580, 39218, 51160, 78436, 98045, 102320, 156872, 196090, 313744, 392180, 784360, 1568720, 25079911, 50159822, 100319644, 125399555, 200639288, 250799110, 401278576, 501598220, 1003196440, 2006392880]

約数ペア:

[(1, 2006392880), (2, 1003196440), (4, 501598220), (5, 401278576), (8, 250799110), (10, 200639288), (16, 125399555), (20, 100319644), (40, 50159822), (80, 25079911), (1279, 1568720), (2558, 784360), (5116, 392180), (6395, 313744), (10232, 196090), (12790, 156872), (19609, 102320), (20464, 98045), (25580, 78436), (39218, 51160)]