28797440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1607}}^1$

素因数の和:1637

約数の個数: 80

約数和(自身を含む): 78959232

約数和(自身を除く): 50161792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1607, 1792, 2240, 2560, 3214, 3584, 4480, 6428, 8035, 8960, 11249, 12856, 16070, 17920, 22498, 25712, 32140, 44996, 51424, 56245, 64280, 89992, 102848, 112490, 128560, 179984, 205696, 224980, 257120, 359968, 411392, 449960, 514240, 719936, 822784, 899920, 1028480, 1439872, 1799840, 2056960, 2879744, 3599680, 4113920, 5759488, 7199360, 14398720, 28797440]

約数ペア:

[(1, 28797440), (2, 14398720), (4, 7199360), (5, 5759488), (7, 4113920), (8, 3599680), (10, 2879744), (14, 2056960), (16, 1799840), (20, 1439872), (28, 1028480), (32, 899920), (35, 822784), (40, 719936), (56, 514240), (64, 449960), (70, 411392), (80, 359968), (112, 257120), (128, 224980), (140, 205696), (160, 179984), (224, 128560), (256, 112490), (280, 102848), (320, 89992), (448, 64280), (512, 56245), (560, 51424), (640, 44996), (896, 32140), (1120, 25712), (1280, 22498), (1607, 17920), (1792, 16070), (2240, 12856), (2560, 11249), (3214, 8960), (3584, 8035), (4480, 6428)]