2180619440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{15461}}^1$

素因数の和:15558

約数の個数: 80

約数和(自身を含む): 5314722336

約数和(自身を除く): 3134102896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 656, 688, 820, 860, 1640, 1720, 1763, 3280, 3440, 3526, 7052, 8815, 14104, 15461, 17630, 28208, 30922, 35260, 61844, 70520, 77305, 123688, 141040, 154610, 247376, 309220, 618440, 633901, 664823, 1236880, 1267802, 1329646, 2535604, 2659292, 3169505, 3324115, 5071208, 5318584, 6339010, 6648230, 10142416, 10637168, 12678020, 13296460, 25356040, 26592920, 27257743, 50712080, 53185840, 54515486, 109030972, 136288715, 218061944, 272577430, 436123888, 545154860, 1090309720, 2180619440]

約数ペア:

[(1, 2180619440), (2, 1090309720), (4, 545154860), (5, 436123888), (8, 272577430), (10, 218061944), (16, 136288715), (20, 109030972), (40, 54515486), (41, 53185840), (43, 50712080), (80, 27257743), (82, 26592920), (86, 25356040), (164, 13296460), (172, 12678020), (205, 10637168), (215, 10142416), (328, 6648230), (344, 6339010), (410, 5318584), (430, 5071208), (656, 3324115), (688, 3169505), (820, 2659292), (860, 2535604), (1640, 1329646), (1720, 1267802), (1763, 1236880), (3280, 664823), (3440, 633901), (3526, 618440), (7052, 309220), (8815, 247376), (14104, 154610), (15461, 141040), (17630, 123688), (28208, 77305), (30922, 70520), (35260, 61844)]