80921170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{66877}}^1$

素因数の和:66906

約数の個数: 24

約数和(自身を含む): 160105932

約数和(自身を除く): 79184762

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 66877, 133754, 334385, 668770, 735647, 1471294, 3678235, 7356470, 8092117, 16184234, 40460585, 80921170]

約数ペア:

[(1, 80921170), (2, 40460585), (5, 16184234), (10, 8092117), (11, 7356470), (22, 3678235), (55, 1471294), (110, 735647), (121, 668770), (242, 334385), (605, 133754), (1210, 66877)]