6981440

素因数分解:

$2^6\times 5^1\times {\mathrm{21817}}^1$

素因数の和:21834

約数の個数: 28

約数和(自身を含む): 16625316

約数和(自身を除く): 9643876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 21817, 43634, 87268, 109085, 174536, 218170, 349072, 436340, 698144, 872680, 1396288, 1745360, 3490720, 6981440]

約数ペア:

[(1, 6981440), (2, 3490720), (4, 1745360), (5, 1396288), (8, 872680), (10, 698144), (16, 436340), (20, 349072), (32, 218170), (40, 174536), (64, 109085), (80, 87268), (160, 43634), (320, 21817)]