557990960

素因数分解:

$2^4\times 5^1\times {\mathrm{6974887}}^1$

素因数の和:6974900

約数の個数: 20

約数和(自身を含む): 1297329168

約数和(自身を除く): 739338208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6974887, 13949774, 27899548, 34874435, 55799096, 69748870, 111598192, 139497740, 278995480, 557990960]

約数ペア:

[(1, 557990960), (2, 278995480), (4, 139497740), (5, 111598192), (8, 69748870), (10, 55799096), (16, 34874435), (20, 27899548), (40, 13949774), (80, 6974887)]