40320812

素因数分解:

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

素因数の和:4038

約数の個数: 36

約数和(自身を含む): 85130640

約数和(自身を除く): 44809828

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 3989, 5054, 7978, 10108, 15956, 27923, 55846, 75791, 111692, 151582, 303164, 530537, 1061074, 1440029, 2122148, 2880058, 5760116, 10080203, 20160406, 40320812]

約数ペア:

[(1, 40320812), (2, 20160406), (4, 10080203), (7, 5760116), (14, 2880058), (19, 2122148), (28, 1440029), (38, 1061074), (76, 530537), (133, 303164), (266, 151582), (361, 111692), (532, 75791), (722, 55846), (1444, 27923), (2527, 15956), (3989, 10108), (5054, 7978)]