80474210

素因数分解:

$2^1\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{4129}}^1$

素因数の和:6085

約数の個数: 16

約数和(自身を含む): 144963000

約数和(自身を除く): 64488790

約数列:

[1, 2, 5, 10, 1949, 3898, 4129, 8258, 9745, 19490, 20645, 41290, 8047421, 16094842, 40237105, 80474210]

約数ペア:

[(1, 80474210), (2, 40237105), (5, 16094842), (10, 8047421), (1949, 41290), (3898, 20645), (4129, 19490), (8258, 9745)]