28191680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8009}}^1$

素因数の和:8037

約数の個数: 56

約数和(自身を含む): 73243440

約数和(自身を除く): 45051760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 8009, 16018, 32036, 40045, 64072, 80090, 88099, 128144, 160180, 176198, 256288, 320360, 352396, 440495, 512576, 640720, 704792, 880990, 1281440, 1409584, 1761980, 2562880, 2819168, 3523960, 5638336, 7047920, 14095840, 28191680]

約数ペア:

[(1, 28191680), (2, 14095840), (4, 7047920), (5, 5638336), (8, 3523960), (10, 2819168), (11, 2562880), (16, 1761980), (20, 1409584), (22, 1281440), (32, 880990), (40, 704792), (44, 640720), (55, 512576), (64, 440495), (80, 352396), (88, 320360), (110, 256288), (160, 176198), (176, 160180), (220, 128144), (320, 88099), (352, 80090), (440, 64072), (704, 40045), (880, 32036), (1760, 16018), (3520, 8009)]