2080350020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{136327}}^1$

素因数の和:136452

約数の個数: 48

約数和(自身を含む): 5038682880

約数和(自身を除く): 2958332860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 136327, 272654, 545308, 681635, 954289, 1363270, 1908578, 2726540, 3817156, 4771445, 9542890, 14859643, 19085780, 29719286, 59438572, 74298215, 104017501, 148596430, 208035002, 297192860, 416070004, 520087505, 1040175010, 2080350020]

約数ペア:

[(1, 2080350020), (2, 1040175010), (4, 520087505), (5, 416070004), (7, 297192860), (10, 208035002), (14, 148596430), (20, 104017501), (28, 74298215), (35, 59438572), (70, 29719286), (109, 19085780), (140, 14859643), (218, 9542890), (436, 4771445), (545, 3817156), (763, 2726540), (1090, 1908578), (1526, 1363270), (2180, 954289), (3052, 681635), (3815, 545308), (7630, 272654), (15260, 136327)]