42557720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55997}}^1$

素因数の和:56027

約数の個数: 32

約数和(自身を含む): 100796400

約数和(自身を除く): 58238680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 55997, 111994, 223988, 279985, 447976, 559970, 1063943, 1119940, 2127886, 2239880, 4255772, 5319715, 8511544, 10639430, 21278860, 42557720]

約数ペア:

[(1, 42557720), (2, 21278860), (4, 10639430), (5, 8511544), (8, 5319715), (10, 4255772), (19, 2239880), (20, 2127886), (38, 1119940), (40, 1063943), (76, 559970), (95, 447976), (152, 279985), (190, 223988), (380, 111994), (760, 55997)]