129824480

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6389}}^1$

素因数の和:6531

約数の個数: 48

約数和(自身を含む): 309173760

約数和(自身を除く): 179349280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 6389, 10160, 12778, 20320, 25556, 31945, 51112, 63890, 102224, 127780, 204448, 255560, 511120, 811403, 1022240, 1622806, 3245612, 4057015, 6491224, 8114030, 12982448, 16228060, 25964896, 32456120, 64912240, 129824480]

約数ペア:

[(1, 129824480), (2, 64912240), (4, 32456120), (5, 25964896), (8, 16228060), (10, 12982448), (16, 8114030), (20, 6491224), (32, 4057015), (40, 3245612), (80, 1622806), (127, 1022240), (160, 811403), (254, 511120), (508, 255560), (635, 204448), (1016, 127780), (1270, 102224), (2032, 63890), (2540, 51112), (4064, 31945), (5080, 25556), (6389, 20320), (10160, 12778)]