1282220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 2739408

約数和(自身を除く): 1457188

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1051, 1220, 2102, 4204, 5255, 10510, 21020, 64111, 128222, 256444, 320555, 641110, 1282220]

約数ペア:

[(1, 1282220), (2, 641110), (4, 320555), (5, 256444), (10, 128222), (20, 64111), (61, 21020), (122, 10510), (244, 5255), (305, 4204), (610, 2102), (1051, 1220)]