42555350

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 81758160

約数和(自身を除く): 39202810

約数列:

[1, 2, 5, 10, 25, 50, 73, 89, 131, 146, 178, 262, 365, 445, 655, 730, 890, 1310, 1825, 2225, 3275, 3650, 4450, 6497, 6550, 9563, 11659, 12994, 19126, 23318, 32485, 47815, 58295, 64970, 95630, 116590, 162425, 239075, 291475, 324850, 478150, 582950, 851107, 1702214, 4255535, 8511070, 21277675, 42555350]

約数ペア:

[(1, 42555350), (2, 21277675), (5, 8511070), (10, 4255535), (25, 1702214), (50, 851107), (73, 582950), (89, 478150), (131, 324850), (146, 291475), (178, 239075), (262, 162425), (365, 116590), (445, 95630), (655, 64970), (730, 58295), (890, 47815), (1310, 32485), (1825, 23318), (2225, 19126), (3275, 12994), (3650, 11659), (4450, 9563), (6497, 6550)]