201400930

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{20323}}^1$

素因数の和:21321

約数の個数: 16

約数和(自身を含む): 362905344

約数和(自身を除く): 161504414

約数列:

[1, 2, 5, 10, 991, 1982, 4955, 9910, 20323, 40646, 101615, 203230, 20140093, 40280186, 100700465, 201400930]

約数ペア:

[(1, 201400930), (2, 100700465), (5, 40280186), (10, 20140093), (991, 203230), (1982, 101615), (4955, 40646), (9910, 20323)]