126780200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{15461}}^1$

素因数の和:15518

約数の個数: 48

約数和(自身を含む): 301972860

約数和(自身を除く): 175192660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 15461, 30922, 61844, 77305, 123688, 154610, 309220, 386525, 618440, 633901, 773050, 1267802, 1546100, 2535604, 3092200, 3169505, 5071208, 6339010, 12678020, 15847525, 25356040, 31695050, 63390100, 126780200]

約数ペア:

[(1, 126780200), (2, 63390100), (4, 31695050), (5, 25356040), (8, 15847525), (10, 12678020), (20, 6339010), (25, 5071208), (40, 3169505), (41, 3092200), (50, 2535604), (82, 1546100), (100, 1267802), (164, 773050), (200, 633901), (205, 618440), (328, 386525), (410, 309220), (820, 154610), (1025, 123688), (1640, 77305), (2050, 61844), (4100, 30922), (8200, 15461)]