16020520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4129}}^1$

素因数の和:4237

約数の個数: 32

約数和(自身を含む): 36426600

約数和(自身を除く): 20406080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 4129, 8258, 16516, 20645, 33032, 41290, 82580, 165160, 400513, 801026, 1602052, 2002565, 3204104, 4005130, 8010260, 16020520]

約数ペア:

[(1, 16020520), (2, 8010260), (4, 4005130), (5, 3204104), (8, 2002565), (10, 1602052), (20, 801026), (40, 400513), (97, 165160), (194, 82580), (388, 41290), (485, 33032), (776, 20645), (970, 16516), (1940, 8258), (3880, 4129)]