16505120

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2399}}^1$

素因数の和:2457

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 23411680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2399, 3440, 4798, 6880, 9596, 11995, 19192, 23990, 38384, 47980, 76768, 95960, 103157, 191920, 206314, 383840, 412628, 515785, 825256, 1031570, 1650512, 2063140, 3301024, 4126280, 8252560, 16505120]

約数ペア:

[(1, 16505120), (2, 8252560), (4, 4126280), (5, 3301024), (8, 2063140), (10, 1650512), (16, 1031570), (20, 825256), (32, 515785), (40, 412628), (43, 383840), (80, 206314), (86, 191920), (160, 103157), (172, 95960), (215, 76768), (344, 47980), (430, 38384), (688, 23990), (860, 19192), (1376, 11995), (1720, 9596), (2399, 6880), (3440, 4798)]