8957480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31991}}^1$

素因数の和:32009

約数の個数: 32

約数和(自身を含む): 23034240

約数和(自身を除く): 14076760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 31991, 63982, 127964, 159955, 223937, 255928, 319910, 447874, 639820, 895748, 1119685, 1279640, 1791496, 2239370, 4478740, 8957480]

約数ペア:

[(1, 8957480), (2, 4478740), (4, 2239370), (5, 1791496), (7, 1279640), (8, 1119685), (10, 895748), (14, 639820), (20, 447874), (28, 319910), (35, 255928), (40, 223937), (56, 159955), (70, 127964), (140, 63982), (280, 31991)]