105747280

素因数分解:

$2^4\times 5^1\times {\mathrm{1321841}}^1$

素因数の和:1321854

約数の個数: 20

約数和(自身を含む): 245862612

約数和(自身を除く): 140115332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1321841, 2643682, 5287364, 6609205, 10574728, 13218410, 21149456, 26436820, 52873640, 105747280]

約数ペア:

[(1, 105747280), (2, 52873640), (4, 26436820), (5, 21149456), (8, 13218410), (10, 10574728), (16, 6609205), (20, 5287364), (40, 2643682), (80, 1321841)]