133561280

素因数分解:

$2^6\times 5^1\times {\mathrm{417379}}^1$

素因数の和:417396

約数の個数: 28

約数和(自身を含む): 318043560

約数和(自身を除く): 184482280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 417379, 834758, 1669516, 2086895, 3339032, 4173790, 6678064, 8347580, 13356128, 16695160, 26712256, 33390320, 66780640, 133561280]

約数ペア:

[(1, 133561280), (2, 66780640), (4, 33390320), (5, 26712256), (8, 16695160), (10, 13356128), (16, 8347580), (20, 6678064), (32, 4173790), (40, 3339032), (64, 2086895), (80, 1669516), (160, 834758), (320, 417379)]