81806090

素因数分解:

$2^1\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{4937}}^1$

素因数の和:6601

約数の個数: 16

約数和(自身を含む): 147369672

約数和(自身を除く): 65563582

約数列:

[1, 2, 5, 10, 1657, 3314, 4937, 8285, 9874, 16570, 24685, 49370, 8180609, 16361218, 40903045, 81806090]

約数ペア:

[(1, 81806090), (2, 40903045), (5, 16361218), (10, 8180609), (1657, 49370), (3314, 24685), (4937, 16570), (8285, 9874)]