4987120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 12990240

約数和(自身を除く): 8003120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 193, 272, 304, 323, 340, 380, 386, 646, 680, 760, 772, 965, 1292, 1360, 1520, 1544, 1615, 1930, 2584, 3088, 3230, 3281, 3667, 3860, 5168, 6460, 6562, 7334, 7720, 12920, 13124, 14668, 15440, 16405, 18335, 25840, 26248, 29336, 32810, 36670, 52496, 58672, 62339, 65620, 73340, 124678, 131240, 146680, 249356, 262480, 293360, 311695, 498712, 623390, 997424, 1246780, 2493560, 4987120]

約数ペア:

[(1, 4987120), (2, 2493560), (4, 1246780), (5, 997424), (8, 623390), (10, 498712), (16, 311695), (17, 293360), (19, 262480), (20, 249356), (34, 146680), (38, 131240), (40, 124678), (68, 73340), (76, 65620), (80, 62339), (85, 58672), (95, 52496), (136, 36670), (152, 32810), (170, 29336), (190, 26248), (193, 25840), (272, 18335), (304, 16405), (323, 15440), (340, 14668), (380, 13124), (386, 12920), (646, 7720), (680, 7334), (760, 6562), (772, 6460), (965, 5168), (1292, 3860), (1360, 3667), (1520, 3281), (1544, 3230), (1615, 3088), (1930, 2584)]