171187640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{329207}}^1$

素因数の和:329231

約数の個数: 32

約数和(自身を含む): 414802080

約数和(自身を除く): 243614440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 329207, 658414, 1316828, 1646035, 2633656, 3292070, 4279691, 6584140, 8559382, 13168280, 17118764, 21398455, 34237528, 42796910, 85593820, 171187640]

約数ペア:

[(1, 171187640), (2, 85593820), (4, 42796910), (5, 34237528), (8, 21398455), (10, 17118764), (13, 13168280), (20, 8559382), (26, 6584140), (40, 4279691), (52, 3292070), (65, 2633656), (104, 1646035), (130, 1316828), (260, 658414), (520, 329207)]