16221560

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1433}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 36653040

約数和(自身を除く): 20431480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 1433, 2264, 2830, 2866, 5660, 5732, 7165, 11320, 11464, 14330, 28660, 57320, 405539, 811078, 1622156, 2027695, 3244312, 4055390, 8110780, 16221560]

約数ペア:

[(1, 16221560), (2, 8110780), (4, 4055390), (5, 3244312), (8, 2027695), (10, 1622156), (20, 811078), (40, 405539), (283, 57320), (566, 28660), (1132, 14330), (1415, 11464), (1433, 11320), (2264, 7165), (2830, 5732), (2866, 5660)]