56687960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1049}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 146664000

約数和(自身を除く): 89976040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1049, 1351, 1544, 1930, 2098, 2702, 3860, 4196, 5245, 5404, 6755, 7343, 7720, 8392, 10490, 10808, 13510, 14686, 20980, 27020, 29372, 36715, 41960, 54040, 58744, 73430, 146860, 202457, 293720, 404914, 809828, 1012285, 1417199, 1619656, 2024570, 2834398, 4049140, 5668796, 7085995, 8098280, 11337592, 14171990, 28343980, 56687960]

約数ペア:

[(1, 56687960), (2, 28343980), (4, 14171990), (5, 11337592), (7, 8098280), (8, 7085995), (10, 5668796), (14, 4049140), (20, 2834398), (28, 2024570), (35, 1619656), (40, 1417199), (56, 1012285), (70, 809828), (140, 404914), (193, 293720), (280, 202457), (386, 146860), (772, 73430), (965, 58744), (1049, 54040), (1351, 41960), (1544, 36715), (1930, 29372), (2098, 27020), (2702, 20980), (3860, 14686), (4196, 13510), (5245, 10808), (5404, 10490), (6755, 8392), (7343, 7720)]