8560040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1237}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 19387080

約数和(自身を除く): 10827040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1237, 1384, 1730, 2474, 3460, 4948, 6185, 6920, 9896, 12370, 24740, 49480, 214001, 428002, 856004, 1070005, 1712008, 2140010, 4280020, 8560040]

約数ペア:

[(1, 8560040), (2, 4280020), (4, 2140010), (5, 1712008), (8, 1070005), (10, 856004), (20, 428002), (40, 214001), (173, 49480), (346, 24740), (692, 12370), (865, 9896), (1237, 6920), (1384, 6185), (1730, 4948), (2474, 3460)]