320420728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{24527}}^1$

素因数の和:24627

約数の個数: 32

約数和(自身を含む): 635765760

約数和(自身を除く): 315345032

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 184, 284, 568, 1633, 3266, 6532, 13064, 24527, 49054, 98108, 196216, 564121, 1128242, 1741417, 2256484, 3482834, 4512968, 6965668, 13931336, 40052591, 80105182, 160210364, 320420728]

約数ペア:

[(1, 320420728), (2, 160210364), (4, 80105182), (8, 40052591), (23, 13931336), (46, 6965668), (71, 4512968), (92, 3482834), (142, 2256484), (184, 1741417), (284, 1128242), (568, 564121), (1633, 196216), (3266, 98108), (6532, 49054), (13064, 24527)]