1085278520

素因数分解:

$2^3\times 5^1\times {\mathrm{27131963}}^1$

素因数の和:27131974

約数の個数: 16

約数和(自身を含む): 2441876760

約数和(自身を除く): 1356598240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 27131963, 54263926, 108527852, 135659815, 217055704, 271319630, 542639260, 1085278520]

約数ペア:

[(1, 1085278520), (2, 542639260), (4, 271319630), (5, 217055704), (8, 135659815), (10, 108527852), (20, 54263926), (40, 27131963)]