253339720

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{6277}}^1$

素因数の和:7297

約数の個数: 32

約数和(自身を含む): 570670200

約数和(自身を除く): 317330480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 4036, 5045, 6277, 8072, 10090, 12554, 20180, 25108, 31385, 40360, 50216, 62770, 125540, 251080, 6333493, 12666986, 25333972, 31667465, 50667944, 63334930, 126669860, 253339720]

約数ペア:

[(1, 253339720), (2, 126669860), (4, 63334930), (5, 50667944), (8, 31667465), (10, 25333972), (20, 12666986), (40, 6333493), (1009, 251080), (2018, 125540), (4036, 62770), (5045, 50216), (6277, 40360), (8072, 31385), (10090, 25108), (12554, 20180)]