20161609880

素因数分解:

$2^3\times 5^1\times {\mathrm{8293}}^1\times {\mathrm{60779}}^1$

素因数の和:69083

約数の個数: 32

約数和(自身を含む): 45369838800

約数和(自身を除く): 25208228920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8293, 16586, 33172, 41465, 60779, 66344, 82930, 121558, 165860, 243116, 303895, 331720, 486232, 607790, 1215580, 2431160, 504040247, 1008080494, 2016160988, 2520201235, 4032321976, 5040402470, 10080804940, 20161609880]

約数ペア:

[(1, 20161609880), (2, 10080804940), (4, 5040402470), (5, 4032321976), (8, 2520201235), (10, 2016160988), (20, 1008080494), (40, 504040247), (8293, 2431160), (16586, 1215580), (33172, 607790), (41465, 486232), (60779, 331720), (66344, 303895), (82930, 243116), (121558, 165860)]