51640880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22259}}^1$

素因数の和:22301

約数の個数: 40

約数和(自身を含む): 124210800

約数和(自身を除く): 72569920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 22259, 44518, 89036, 111295, 178072, 222590, 356144, 445180, 645511, 890360, 1291022, 1780720, 2582044, 3227555, 5164088, 6455110, 10328176, 12910220, 25820440, 51640880]

約数ペア:

[(1, 51640880), (2, 25820440), (4, 12910220), (5, 10328176), (8, 6455110), (10, 5164088), (16, 3227555), (20, 2582044), (29, 1780720), (40, 1291022), (58, 890360), (80, 645511), (116, 445180), (145, 356144), (232, 222590), (290, 178072), (464, 111295), (580, 89036), (1160, 44518), (2320, 22259)]