25401160

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{919}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 57297600

約数和(自身を除く): 31896440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 919, 1382, 1838, 2764, 3455, 3676, 4595, 5528, 6910, 7352, 9190, 13820, 18380, 27640, 36760, 635029, 1270058, 2540116, 3175145, 5080232, 6350290, 12700580, 25401160]

約数ペア:

[(1, 25401160), (2, 12700580), (4, 6350290), (5, 5080232), (8, 3175145), (10, 2540116), (20, 1270058), (40, 635029), (691, 36760), (919, 27640), (1382, 18380), (1838, 13820), (2764, 9190), (3455, 7352), (3676, 6910), (4595, 5528)]