80821490

素因数分解:

$2^1\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{5279}}^1$

素因数の和:6817

約数の個数: 16

約数和(自身を含む): 145601280

約数和(自身を除く): 64779790

約数列:

[1, 2, 5, 10, 1531, 3062, 5279, 7655, 10558, 15310, 26395, 52790, 8082149, 16164298, 40410745, 80821490]

約数ペア:

[(1, 80821490), (2, 40410745), (5, 16164298), (10, 8082149), (1531, 52790), (3062, 26395), (5279, 15310), (7655, 10558)]