2018682320

素因数分解:

$2^4\times 5^1\times {\mathrm{2657}}^1\times {\mathrm{9497}}^1$

素因数の和:12167

約数の個数: 40

約数和(自身を含む): 4695697224

約数和(自身を除く): 2677014904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2657, 5314, 9497, 10628, 13285, 18994, 21256, 26570, 37988, 42512, 47485, 53140, 75976, 94970, 106280, 151952, 189940, 212560, 379880, 759760, 25233529, 50467058, 100934116, 126167645, 201868232, 252335290, 403736464, 504670580, 1009341160, 2018682320]

約数ペア:

[(1, 2018682320), (2, 1009341160), (4, 504670580), (5, 403736464), (8, 252335290), (10, 201868232), (16, 126167645), (20, 100934116), (40, 50467058), (80, 25233529), (2657, 759760), (5314, 379880), (9497, 212560), (10628, 189940), (13285, 151952), (18994, 106280), (21256, 94970), (26570, 75976), (37988, 53140), (42512, 47485)]