8287120

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1459}}^1$

素因数の和:1543

約数の個数: 40

約数和(自身を含む): 19552320

約数和(自身を除く): 11265200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1459, 2840, 2918, 5680, 5836, 7295, 11672, 14590, 23344, 29180, 58360, 103589, 116720, 207178, 414356, 517945, 828712, 1035890, 1657424, 2071780, 4143560, 8287120]

約数ペア:

[(1, 8287120), (2, 4143560), (4, 2071780), (5, 1657424), (8, 1035890), (10, 828712), (16, 517945), (20, 414356), (40, 207178), (71, 116720), (80, 103589), (142, 58360), (284, 29180), (355, 23344), (568, 14590), (710, 11672), (1136, 7295), (1420, 5836), (1459, 5680), (2840, 2918)]