38821340

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20011}}^1$

素因数の和:20117

約数の個数: 24

約数和(自身を含む): 82369392

約数和(自身を除く): 43548052

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 20011, 40022, 80044, 100055, 200110, 400220, 1941067, 3882134, 7764268, 9705335, 19410670, 38821340]

約数ペア:

[(1, 38821340), (2, 19410670), (4, 9705335), (5, 7764268), (10, 3882134), (20, 1941067), (97, 400220), (194, 200110), (388, 100055), (485, 80044), (970, 40022), (1940, 20011)]