80113990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{3697}}^1$

素因数の和:3912

約数の個数: 32

約数和(自身を含む): 158156064

約数和(自身を除く): 78042074

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 394, 985, 1970, 2167, 3697, 4334, 7394, 10835, 18485, 21670, 36970, 40667, 81334, 203335, 406670, 728309, 1456618, 3641545, 7283090, 8011399, 16022798, 40056995, 80113990]

約数ペア:

[(1, 80113990), (2, 40056995), (5, 16022798), (10, 8011399), (11, 7283090), (22, 3641545), (55, 1456618), (110, 728309), (197, 406670), (394, 203335), (985, 81334), (1970, 40667), (2167, 36970), (3697, 21670), (4334, 18485), (7394, 10835)]