137769560

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{3637}}^1$

素因数の和:4595

約数の個数: 32

約数和(自身を含む): 310394160

約数和(自身を除く): 172624600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 3637, 3788, 4735, 7274, 7576, 9470, 14548, 18185, 18940, 29096, 36370, 37880, 72740, 145480, 3444239, 6888478, 13776956, 17221195, 27553912, 34442390, 68884780, 137769560]

約数ペア:

[(1, 137769560), (2, 68884780), (4, 34442390), (5, 27553912), (8, 17221195), (10, 13776956), (20, 6888478), (40, 3444239), (947, 145480), (1894, 72740), (3637, 37880), (3788, 36370), (4735, 29096), (7274, 18940), (7576, 18185), (9470, 14548)]