80912990

素因数分解:

$2^1\times 5^1\times {\mathrm{2087}}^1\times {\mathrm{3877}}^1$

素因数の和:5971

約数の個数: 16

約数和(自身を含む): 145750752

約数和(自身を除く): 64837762

約数列:

[1, 2, 5, 10, 2087, 3877, 4174, 7754, 10435, 19385, 20870, 38770, 8091299, 16182598, 40456495, 80912990]

約数ペア:

[(1, 80912990), (2, 40456495), (5, 16182598), (10, 8091299), (2087, 38770), (3877, 20870), (4174, 19385), (7754, 10435)]