165725080

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{12517}}^1$

素因数の和:12859

約数の個数: 32

約数和(自身を含む): 374037840

約数和(自身を除く): 208312760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 12517, 13240, 25034, 50068, 62585, 100136, 125170, 250340, 500680, 4143127, 8286254, 16572508, 20715635, 33145016, 41431270, 82862540, 165725080]

約数ペア:

[(1, 165725080), (2, 82862540), (4, 41431270), (5, 33145016), (8, 20715635), (10, 16572508), (20, 8286254), (40, 4143127), (331, 500680), (662, 250340), (1324, 125170), (1655, 100136), (2648, 62585), (3310, 50068), (6620, 25034), (12517, 13240)]