16380040

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1447}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 37010880

約数和(自身を除く): 20630840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 1447, 2264, 2830, 2894, 5660, 5788, 7235, 11320, 11576, 14470, 28940, 57880, 409501, 819002, 1638004, 2047505, 3276008, 4095010, 8190020, 16380040]

約数ペア:

[(1, 16380040), (2, 8190020), (4, 4095010), (5, 3276008), (8, 2047505), (10, 1638004), (20, 819002), (40, 409501), (283, 57880), (566, 28940), (1132, 14470), (1415, 11576), (1447, 11320), (2264, 7235), (2830, 5788), (2894, 5660)]