12722000

素因数分解:

$2^4\times 5^3\times {\mathrm{6361}}^1$

素因数の和:6384

約数の個数: 40

約数和(自身を含む): 30766632

約数和(自身を除く): 18044632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 6361, 12722, 25444, 31805, 50888, 63610, 101776, 127220, 159025, 254440, 318050, 508880, 636100, 795125, 1272200, 1590250, 2544400, 3180500, 6361000, 12722000]

約数ペア:

[(1, 12722000), (2, 6361000), (4, 3180500), (5, 2544400), (8, 1590250), (10, 1272200), (16, 795125), (20, 636100), (25, 508880), (40, 318050), (50, 254440), (80, 159025), (100, 127220), (125, 101776), (200, 63610), (250, 50888), (400, 31805), (500, 25444), (1000, 12722), (2000, 6361)]