89340980

素因数分解:

$2^2\times 5^1\times {\mathrm{4467049}}^1$

素因数の和:4467058

約数の個数: 12

約数和(自身を含む): 187616100

約数和(自身を除く): 98275120

約数列:

[1, 2, 4, 5, 10, 20, 4467049, 8934098, 17868196, 22335245, 44670490, 89340980]

約数ペア:

[(1, 89340980), (2, 44670490), (4, 22335245), (5, 17868196), (10, 8934098), (20, 4467049)]