16280120

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1109}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 36763200

約数和(自身を除く): 20483080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1109, 1468, 1835, 2218, 2936, 3670, 4436, 5545, 7340, 8872, 11090, 14680, 22180, 44360, 407003, 814006, 1628012, 2035015, 3256024, 4070030, 8140060, 16280120]

約数ペア:

[(1, 16280120), (2, 8140060), (4, 4070030), (5, 3256024), (8, 2035015), (10, 1628012), (20, 814006), (40, 407003), (367, 44360), (734, 22180), (1109, 14680), (1468, 11090), (1835, 8872), (2218, 7340), (2936, 5545), (3670, 4436)]