66834640

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8111}}^1$

素因数の和:8227

約数の個数: 40

約数和(自身を含む): 156918528

約数和(自身を除く): 90083888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8111, 8240, 16222, 32444, 40555, 64888, 81110, 129776, 162220, 324440, 648880, 835433, 1670866, 3341732, 4177165, 6683464, 8354330, 13366928, 16708660, 33417320, 66834640]

約数ペア:

[(1, 66834640), (2, 33417320), (4, 16708660), (5, 13366928), (8, 8354330), (10, 6683464), (16, 4177165), (20, 3341732), (40, 1670866), (80, 835433), (103, 648880), (206, 324440), (412, 162220), (515, 129776), (824, 81110), (1030, 64888), (1648, 40555), (2060, 32444), (4120, 16222), (8111, 8240)]