89075440

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1999}}^1$

素因数の和:2569

約数の個数: 40

約数和(自身を含む): 207576000

約数和(自身を除く): 118500560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1999, 2228, 2785, 3998, 4456, 5570, 7996, 8912, 9995, 11140, 15992, 19990, 22280, 31984, 39980, 44560, 79960, 159920, 1113443, 2226886, 4453772, 5567215, 8907544, 11134430, 17815088, 22268860, 44537720, 89075440]

約数ペア:

[(1, 89075440), (2, 44537720), (4, 22268860), (5, 17815088), (8, 11134430), (10, 8907544), (16, 5567215), (20, 4453772), (40, 2226886), (80, 1113443), (557, 159920), (1114, 79960), (1999, 44560), (2228, 39980), (2785, 31984), (3998, 22280), (4456, 19990), (5570, 15992), (7996, 11140), (8912, 9995)]