85539640

素因数分解:

$2^3\times 5^1\times {\mathrm{2138491}}^1$

素因数の和:2138502

約数の個数: 16

約数和(自身を含む): 192464280

約数和(自身を除く): 106924640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2138491, 4276982, 8553964, 10692455, 17107928, 21384910, 42769820, 85539640]

約数ペア:

[(1, 85539640), (2, 42769820), (4, 21384910), (5, 17107928), (8, 10692455), (10, 8553964), (20, 4276982), (40, 2138491)]