258526280

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{50891}}^1$

素因数の和:51029

約数の個数: 32

約数和(自身を含む): 586275840

約数和(自身を除く): 327749560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 50891, 101782, 203564, 254455, 407128, 508910, 1017820, 2035640, 6463157, 12926314, 25852628, 32315785, 51705256, 64631570, 129263140, 258526280]

約数ペア:

[(1, 258526280), (2, 129263140), (4, 64631570), (5, 51705256), (8, 32315785), (10, 25852628), (20, 12926314), (40, 6463157), (127, 2035640), (254, 1017820), (508, 508910), (635, 407128), (1016, 254455), (1270, 203564), (2540, 101782), (5080, 50891)]