989855480

素因数分解:

$2^3\times 5^1\times {\mathrm{24746387}}^1$

素因数の和:24746398

約数の個数: 16

約数和(自身を含む): 2227174920

約数和(自身を除く): 1237319440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 24746387, 49492774, 98985548, 123731935, 197971096, 247463870, 494927740, 989855480]

約数ペア:

[(1, 989855480), (2, 494927740), (4, 247463870), (5, 197971096), (8, 123731935), (10, 98985548), (20, 49492774), (40, 24746387)]