54739480

素因数分解:

$2^3\times 5^1\times {\mathrm{1368487}}^1$

素因数の和:1368498

約数の個数: 16

約数和(自身を含む): 123163920

約数和(自身を除く): 68424440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1368487, 2736974, 5473948, 6842435, 10947896, 13684870, 27369740, 54739480]

約数ペア:

[(1, 54739480), (2, 27369740), (4, 13684870), (5, 10947896), (8, 6842435), (10, 5473948), (20, 2736974), (40, 1368487)]