12801140048

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19513933}}^1$

素因数の和:19513982

約数の個数: 20

約数和(自身を含む): 25407142068

約数和(自身を除く): 12606002020

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19513933, 39027866, 78055732, 156111464, 312222928, 800071253, 1600142506, 3200285012, 6400570024, 12801140048]

約数ペア:

[(1, 12801140048), (2, 6400570024), (4, 3200285012), (8, 1600142506), (16, 800071253), (41, 312222928), (82, 156111464), (164, 78055732), (328, 39027866), (656, 19513933)]