80202940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{235891}}^1$

素因数の和:235917

約数の個数: 24

約数和(自身を含む): 178334352

約数和(自身を除く): 98131412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 235891, 471782, 943564, 1179455, 2358910, 4010147, 4717820, 8020294, 16040588, 20050735, 40101470, 80202940]

約数ペア:

[(1, 80202940), (2, 40101470), (4, 20050735), (5, 16040588), (10, 8020294), (17, 4717820), (20, 4010147), (34, 2358910), (68, 1179455), (85, 943564), (170, 471782), (340, 235891)]