3643720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 8320320

約数和(自身を除く): 4676600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1283, 1420, 2566, 2840, 5132, 6415, 10264, 12830, 25660, 51320, 91093, 182186, 364372, 455465, 728744, 910930, 1821860, 3643720]

約数ペア:

[(1, 3643720), (2, 1821860), (4, 910930), (5, 728744), (8, 455465), (10, 364372), (20, 182186), (40, 91093), (71, 51320), (142, 25660), (284, 12830), (355, 10264), (568, 6415), (710, 5132), (1283, 2840), (1420, 2566)]