12479920

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{607}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 29176704

約数和(自身を除く): 16696784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 607, 1028, 1214, 1285, 2056, 2428, 2570, 3035, 4112, 4856, 5140, 6070, 9712, 10280, 12140, 20560, 24280, 48560, 155999, 311998, 623996, 779995, 1247992, 1559990, 2495984, 3119980, 6239960, 12479920]

約数ペア:

[(1, 12479920), (2, 6239960), (4, 3119980), (5, 2495984), (8, 1559990), (10, 1247992), (16, 779995), (20, 623996), (40, 311998), (80, 155999), (257, 48560), (514, 24280), (607, 20560), (1028, 12140), (1214, 10280), (1285, 9712), (2056, 6070), (2428, 5140), (2570, 4856), (3035, 4112)]