133081280

素因数分解:

$2^6\times 5^1\times {\mathrm{415879}}^1$

素因数の和:415896

約数の個数: 28

約数和(自身を含む): 316900560

約数和(自身を除く): 183819280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 415879, 831758, 1663516, 2079395, 3327032, 4158790, 6654064, 8317580, 13308128, 16635160, 26616256, 33270320, 66540640, 133081280]

約数ペア:

[(1, 133081280), (2, 66540640), (4, 33270320), (5, 26616256), (8, 16635160), (10, 13308128), (16, 8317580), (20, 6654064), (32, 4158790), (40, 3327032), (64, 2079395), (80, 1663516), (160, 831758), (320, 415879)]