39387880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 107412480

約数和(自身を除く): 68024600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 47, 56, 70, 73, 82, 94, 140, 146, 164, 188, 205, 235, 280, 287, 292, 328, 329, 365, 376, 410, 470, 511, 574, 584, 658, 730, 820, 940, 1022, 1148, 1316, 1435, 1460, 1640, 1645, 1880, 1927, 2044, 2296, 2555, 2632, 2870, 2920, 2993, 3290, 3431, 3854, 4088, 5110, 5740, 5986, 6580, 6862, 7708, 9635, 10220, 11480, 11972, 13160, 13489, 13724, 14965, 15416, 17155, 19270, 20440, 20951, 23944, 24017, 26978, 27448, 29930, 34310, 38540, 41902, 48034, 53956, 59860, 67445, 68620, 77080, 83804, 96068, 104755, 107912, 119720, 120085, 134890, 137240, 140671, 167608, 192136, 209510, 240170, 269780, 281342, 419020, 480340, 539560, 562684, 703355, 838040, 960680, 984697, 1125368, 1406710, 1969394, 2813420, 3938788, 4923485, 5626840, 7877576, 9846970, 19693940, 39387880]

約数ペア:

[(1, 39387880), (2, 19693940), (4, 9846970), (5, 7877576), (7, 5626840), (8, 4923485), (10, 3938788), (14, 2813420), (20, 1969394), (28, 1406710), (35, 1125368), (40, 984697), (41, 960680), (47, 838040), (56, 703355), (70, 562684), (73, 539560), (82, 480340), (94, 419020), (140, 281342), (146, 269780), (164, 240170), (188, 209510), (205, 192136), (235, 167608), (280, 140671), (287, 137240), (292, 134890), (328, 120085), (329, 119720), (365, 107912), (376, 104755), (410, 96068), (470, 83804), (511, 77080), (574, 68620), (584, 67445), (658, 59860), (730, 53956), (820, 48034), (940, 41902), (1022, 38540), (1148, 34310), (1316, 29930), (1435, 27448), (1460, 26978), (1640, 24017), (1645, 23944), (1880, 20951), (1927, 20440), (2044, 19270), (2296, 17155), (2555, 15416), (2632, 14965), (2870, 13724), (2920, 13489), (2993, 13160), (3290, 11972), (3431, 11480), (3854, 10220), (4088, 9635), (5110, 7708), (5740, 6862), (5986, 6580)]