2009680

素因数分解:

$2^4\times 5^1\times {\mathrm{25121}}^1$

素因数の和:25134

約数の個数: 20

約数和(自身を含む): 4672692

約数和(自身を除く): 2663012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25121, 50242, 100484, 125605, 200968, 251210, 401936, 502420, 1004840, 2009680]

約数ペア:

[(1, 2009680), (2, 1004840), (4, 502420), (5, 401936), (8, 251210), (10, 200968), (16, 125605), (20, 100484), (40, 50242), (80, 25121)]