49999920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{208333}}^1$

素因数の和:208349

約数の個数: 40

約数和(自身を含む): 155000496

約数和(自身を除く): 105000576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 208333, 416666, 624999, 833332, 1041665, 1249998, 1666664, 2083330, 2499996, 3124995, 3333328, 4166660, 4999992, 6249990, 8333320, 9999984, 12499980, 16666640, 24999960, 49999920]

約数ペア:

[(1, 49999920), (2, 24999960), (3, 16666640), (4, 12499980), (5, 9999984), (6, 8333320), (8, 6249990), (10, 4999992), (12, 4166660), (15, 3333328), (16, 3124995), (20, 2499996), (24, 2083330), (30, 1666664), (40, 1249998), (48, 1041665), (60, 833332), (80, 624999), (120, 416666), (240, 208333)]