161893910

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{2029}}^1$

素因数の和:2216

約数の個数: 32

約数和(自身を含む): 298166400

約数和(自身を除く): 136272490

約数列:

[1, 2, 5, 10, 79, 101, 158, 202, 395, 505, 790, 1010, 2029, 4058, 7979, 10145, 15958, 20290, 39895, 79790, 160291, 204929, 320582, 409858, 801455, 1024645, 1602910, 2049290, 16189391, 32378782, 80946955, 161893910]

約数ペア:

[(1, 161893910), (2, 80946955), (5, 32378782), (10, 16189391), (79, 2049290), (101, 1602910), (158, 1024645), (202, 801455), (395, 409858), (505, 320582), (790, 204929), (1010, 160291), (2029, 79790), (4058, 39895), (7979, 20290), (10145, 15958)]