81083750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{5897}}^1$

素因数の和:5930

約数の個数: 40

約数和(自身を含む): 165828168

約数和(自身を除く): 84744418

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 2750, 5897, 6875, 11794, 13750, 29485, 58970, 64867, 129734, 147425, 294850, 324335, 648670, 737125, 1474250, 1621675, 3243350, 3685625, 7371250, 8108375, 16216750, 40541875, 81083750]

約数ペア:

[(1, 81083750), (2, 40541875), (5, 16216750), (10, 8108375), (11, 7371250), (22, 3685625), (25, 3243350), (50, 1621675), (55, 1474250), (110, 737125), (125, 648670), (250, 324335), (275, 294850), (550, 147425), (625, 129734), (1250, 64867), (1375, 58970), (2750, 29485), (5897, 13750), (6875, 11794)]