8919580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5011}}^1$

素因数の和:5109

約数の個数: 24

約数和(自身を含む): 18945360

約数和(自身を除く): 10025780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 5011, 10022, 20044, 25055, 50110, 100220, 445979, 891958, 1783916, 2229895, 4459790, 8919580]

約数ペア:

[(1, 8919580), (2, 4459790), (4, 2229895), (5, 1783916), (10, 891958), (20, 445979), (89, 100220), (178, 50110), (356, 25055), (445, 20044), (890, 10022), (1780, 5011)]