72114760

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1979}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 162518400

約数和(自身を除く): 90403640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 1979, 3644, 3958, 4555, 7288, 7916, 9110, 9895, 15832, 18220, 19790, 36440, 39580, 79160, 1802869, 3605738, 7211476, 9014345, 14422952, 18028690, 36057380, 72114760]

約数ペア:

[(1, 72114760), (2, 36057380), (4, 18028690), (5, 14422952), (8, 9014345), (10, 7211476), (20, 3605738), (40, 1802869), (911, 79160), (1822, 39580), (1979, 36440), (3644, 19790), (3958, 18220), (4555, 15832), (7288, 9895), (7916, 9110)]