81041930

素因数分解:

$2^1\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{3803}}^1$

素因数の和:5941

約数の個数: 16

約数和(自身を含む): 145982304

約数和(自身を除く): 64940374

約数列:

[1, 2, 5, 10, 2131, 3803, 4262, 7606, 10655, 19015, 21310, 38030, 8104193, 16208386, 40520965, 81041930]

約数ペア:

[(1, 81041930), (2, 40520965), (5, 16208386), (10, 8104193), (2131, 38030), (3803, 21310), (4262, 19015), (7606, 10655)]