8867440

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 20757600

約数和(自身を除く): 11890160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 557, 796, 995, 1114, 1592, 1990, 2228, 2785, 3184, 3980, 4456, 5570, 7960, 8912, 11140, 15920, 22280, 44560, 110843, 221686, 443372, 554215, 886744, 1108430, 1773488, 2216860, 4433720, 8867440]

約数ペア:

[(1, 8867440), (2, 4433720), (4, 2216860), (5, 1773488), (8, 1108430), (10, 886744), (16, 554215), (20, 443372), (40, 221686), (80, 110843), (199, 44560), (398, 22280), (557, 15920), (796, 11140), (995, 8912), (1114, 7960), (1592, 5570), (1990, 4456), (2228, 3980), (2785, 3184)]