127184920

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{6529}}^1$

素因数の和:7027

約数の個数: 32

約数和(自身を含む): 286797600

約数和(自身を除く): 159612680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 6529, 9740, 13058, 19480, 26116, 32645, 52232, 65290, 130580, 261160, 3179623, 6359246, 12718492, 15898115, 25436984, 31796230, 63592460, 127184920]

約数ペア:

[(1, 127184920), (2, 63592460), (4, 31796230), (5, 25436984), (8, 15898115), (10, 12718492), (20, 6359246), (40, 3179623), (487, 261160), (974, 130580), (1948, 65290), (2435, 52232), (3896, 32645), (4870, 26116), (6529, 19480), (9740, 13058)]