28896940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84991}}^1$

素因数の和:85017

約数の個数: 24

約数和(自身を含む): 64253952

約数和(自身を除く): 35357012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84991, 169982, 339964, 424955, 849910, 1444847, 1699820, 2889694, 5779388, 7224235, 14448470, 28896940]

約数ペア:

[(1, 28896940), (2, 14448470), (4, 7224235), (5, 5779388), (10, 2889694), (17, 1699820), (20, 1444847), (34, 849910), (68, 424955), (85, 339964), (170, 169982), (340, 84991)]