260520016

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{4327}}^1$

素因数の和:4459

約数の個数: 40

約数和(自身を含む): 521645184

約数和(自身を除く): 261125168

約数列:

[1, 2, 4, 8, 16, 53, 71, 106, 142, 212, 284, 424, 568, 848, 1136, 3763, 4327, 7526, 8654, 15052, 17308, 30104, 34616, 60208, 69232, 229331, 307217, 458662, 614434, 917324, 1228868, 1834648, 2457736, 3669296, 4915472, 16282501, 32565002, 65130004, 130260008, 260520016]

約数ペア:

[(1, 260520016), (2, 130260008), (4, 65130004), (8, 32565002), (16, 16282501), (53, 4915472), (71, 3669296), (106, 2457736), (142, 1834648), (212, 1228868), (284, 917324), (424, 614434), (568, 458662), (848, 307217), (1136, 229331), (3763, 69232), (4327, 60208), (7526, 34616), (8654, 30104), (15052, 17308)]