42970640

素因数分解:

$2^4\times 5^1\times {\mathrm{537133}}^1$

素因数の和:537146

約数の個数: 20

約数和(自身を含む): 99906924

約数和(自身を除く): 56936284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 537133, 1074266, 2148532, 2685665, 4297064, 5371330, 8594128, 10742660, 21485320, 42970640]

約数ペア:

[(1, 42970640), (2, 21485320), (4, 10742660), (5, 8594128), (8, 5371330), (10, 4297064), (16, 2685665), (20, 2148532), (40, 1074266), (80, 537133)]