85356640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17209}}^1$

素因数の和:17255

約数の個数: 48

約数和(自身を含む): 208172160

約数和(自身を除く): 122815520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 17209, 34418, 68836, 86045, 137672, 172090, 275344, 344180, 533479, 550688, 688360, 1066958, 1376720, 2133916, 2667395, 2753440, 4267832, 5334790, 8535664, 10669580, 17071328, 21339160, 42678320, 85356640]

約数ペア:

[(1, 85356640), (2, 42678320), (4, 21339160), (5, 17071328), (8, 10669580), (10, 8535664), (16, 5334790), (20, 4267832), (31, 2753440), (32, 2667395), (40, 2133916), (62, 1376720), (80, 1066958), (124, 688360), (155, 550688), (160, 533479), (248, 344180), (310, 275344), (496, 172090), (620, 137672), (992, 86045), (1240, 68836), (2480, 34418), (4960, 17209)]