129600440

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{6653}}^1$

素因数の和:7151

約数の個数: 32

約数和(自身を含む): 292243680

約数和(自身を除く): 162643240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 6653, 9740, 13306, 19480, 26612, 33265, 53224, 66530, 133060, 266120, 3240011, 6480022, 12960044, 16200055, 25920088, 32400110, 64800220, 129600440]

約数ペア:

[(1, 129600440), (2, 64800220), (4, 32400110), (5, 25920088), (8, 16200055), (10, 12960044), (20, 6480022), (40, 3240011), (487, 266120), (974, 133060), (1948, 66530), (2435, 53224), (3896, 33265), (4870, 26612), (6653, 19480), (9740, 13306)]