80641624

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3989}}^1$

素因数の和:4040

約数の個数: 48

約数和(自身を含む): 182422800

約数和(自身を除く): 101781176

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 722, 1064, 1444, 2527, 2888, 3989, 5054, 7978, 10108, 15956, 20216, 27923, 31912, 55846, 75791, 111692, 151582, 223384, 303164, 530537, 606328, 1061074, 1440029, 2122148, 2880058, 4244296, 5760116, 10080203, 11520232, 20160406, 40320812, 80641624]

約数ペア:

[(1, 80641624), (2, 40320812), (4, 20160406), (7, 11520232), (8, 10080203), (14, 5760116), (19, 4244296), (28, 2880058), (38, 2122148), (56, 1440029), (76, 1061074), (133, 606328), (152, 530537), (266, 303164), (361, 223384), (532, 151582), (722, 111692), (1064, 75791), (1444, 55846), (2527, 31912), (2888, 27923), (3989, 20216), (5054, 15956), (7978, 10108)]