89185640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21647}}^1$

素因数の和:21761

約数の個数: 32

約数和(自身を含む): 202625280

約数和(自身を除く): 113439640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 21647, 43294, 86588, 108235, 173176, 216470, 432940, 865880, 2229641, 4459282, 8918564, 11148205, 17837128, 22296410, 44592820, 89185640]

約数ペア:

[(1, 89185640), (2, 44592820), (4, 22296410), (5, 17837128), (8, 11148205), (10, 8918564), (20, 4459282), (40, 2229641), (103, 865880), (206, 432940), (412, 216470), (515, 173176), (824, 108235), (1030, 86588), (2060, 43294), (4120, 21647)]