90463640

素因数分解:

$2^3\times 5^1\times {\mathrm{2261591}}^1$

素因数の和:2261602

約数の個数: 16

約数和(自身を含む): 203543280

約数和(自身を除く): 113079640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2261591, 4523182, 9046364, 11307955, 18092728, 22615910, 45231820, 90463640]

約数ペア:

[(1, 90463640), (2, 45231820), (4, 22615910), (5, 18092728), (8, 11307955), (10, 9046364), (20, 4523182), (40, 2261591)]