85812940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{252391}}^1$

素因数の和:252417

約数の個数: 24

約数和(自身を含む): 190808352

約数和(自身を除く): 104995412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 252391, 504782, 1009564, 1261955, 2523910, 4290647, 5047820, 8581294, 17162588, 21453235, 42906470, 85812940]

約数ペア:

[(1, 85812940), (2, 42906470), (4, 21453235), (5, 17162588), (10, 8581294), (17, 5047820), (20, 4290647), (34, 2523910), (68, 1261955), (85, 1009564), (170, 504782), (340, 252391)]