202977680

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{25121}}^1$

素因数の和:25235

約数の個数: 40

約数和(自身を含む): 476614584

約数和(自身を除く): 273636904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 25121, 50242, 100484, 125605, 200968, 251210, 401936, 502420, 1004840, 2009680, 2537221, 5074442, 10148884, 12686105, 20297768, 25372210, 40595536, 50744420, 101488840, 202977680]

約数ペア:

[(1, 202977680), (2, 101488840), (4, 50744420), (5, 40595536), (8, 25372210), (10, 20297768), (16, 12686105), (20, 10148884), (40, 5074442), (80, 2537221), (101, 2009680), (202, 1004840), (404, 502420), (505, 401936), (808, 251210), (1010, 200968), (1616, 125605), (2020, 100484), (4040, 50242), (8080, 25121)]