179772080

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21817}}^1$

素因数の和:21933

約数の個数: 40

約数和(自身を含む): 422047392

約数和(自身を除く): 242275312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 21817, 43634, 87268, 109085, 174536, 218170, 349072, 436340, 872680, 1745360, 2247151, 4494302, 8988604, 11235755, 17977208, 22471510, 35954416, 44943020, 89886040, 179772080]

約数ペア:

[(1, 179772080), (2, 89886040), (4, 44943020), (5, 35954416), (8, 22471510), (10, 17977208), (16, 11235755), (20, 8988604), (40, 4494302), (80, 2247151), (103, 1745360), (206, 872680), (412, 436340), (515, 349072), (824, 218170), (1030, 174536), (1648, 109085), (2060, 87268), (4120, 43634), (8240, 21817)]