8916020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5009}}^1$

素因数の和:5107

約数の個数: 24

約数和(自身を含む): 18937800

約数和(自身を除く): 10021780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 5009, 10018, 20036, 25045, 50090, 100180, 445801, 891602, 1783204, 2229005, 4458010, 8916020]

約数ペア:

[(1, 8916020), (2, 4458010), (4, 2229005), (5, 1783204), (10, 891602), (20, 445801), (89, 100180), (178, 50090), (356, 25045), (445, 20036), (890, 10018), (1780, 5009)]