51308440

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2371}}^1$

素因数の和:2923

約数の個数: 32

約数和(自身を含む): 115706160

約数和(自身を除く): 64397720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2371, 2705, 4328, 4742, 5410, 9484, 10820, 11855, 18968, 21640, 23710, 47420, 94840, 1282711, 2565422, 5130844, 6413555, 10261688, 12827110, 25654220, 51308440]

約数ペア:

[(1, 51308440), (2, 25654220), (4, 12827110), (5, 10261688), (8, 6413555), (10, 5130844), (20, 2565422), (40, 1282711), (541, 94840), (1082, 47420), (2164, 23710), (2371, 21640), (2705, 18968), (4328, 11855), (4742, 10820), (5410, 9484)]