55119020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1259}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 127008000

約数和(自身を除く): 71888980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1259, 1990, 2189, 2518, 3980, 4378, 5036, 6295, 8756, 10945, 12590, 13849, 21890, 25180, 27698, 43780, 55396, 69245, 138490, 250541, 276980, 501082, 1002164, 1252705, 2505410, 2755951, 5010820, 5511902, 11023804, 13779755, 27559510, 55119020]

約数ペア:

[(1, 55119020), (2, 27559510), (4, 13779755), (5, 11023804), (10, 5511902), (11, 5010820), (20, 2755951), (22, 2505410), (44, 1252705), (55, 1002164), (110, 501082), (199, 276980), (220, 250541), (398, 138490), (796, 69245), (995, 55396), (1259, 43780), (1990, 27698), (2189, 25180), (2518, 21890), (3980, 13849), (4378, 12590), (5036, 10945), (6295, 8756)]