28702970810

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{32250529}}^1$

素因数の和:32250625

約数の個数: 16

約数和(自身を含む): 52245858600

約数和(自身を除く): 23542887790

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 32250529, 64501058, 161252645, 322505290, 2870297081, 5740594162, 14351485405, 28702970810]

約数ペア:

[(1, 28702970810), (2, 14351485405), (5, 5740594162), (10, 2870297081), (89, 322505290), (178, 161252645), (445, 64501058), (890, 32250529)]