39996880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 119420928

約数和(自身を除く): 79424048

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 80, 86, 88, 110, 112, 140, 151, 154, 172, 176, 215, 220, 280, 301, 302, 308, 344, 385, 430, 440, 473, 560, 602, 604, 616, 688, 755, 770, 860, 880, 946, 1057, 1204, 1208, 1232, 1505, 1510, 1540, 1661, 1720, 1892, 2114, 2365, 2408, 2416, 3010, 3020, 3080, 3311, 3322, 3440, 3784, 4228, 4730, 4816, 5285, 6020, 6040, 6160, 6493, 6622, 6644, 7568, 8305, 8456, 9460, 10570, 11627, 12040, 12080, 12986, 13244, 13288, 16555, 16610, 16912, 18920, 21140, 23254, 24080, 25972, 26488, 26576, 32465, 33110, 33220, 37840, 42280, 45451, 46508, 51944, 52976, 58135, 64930, 66220, 66440, 71423, 84560, 90902, 93016, 103888, 116270, 129860, 132440, 132880, 142846, 181804, 186032, 227255, 232540, 259720, 264880, 285692, 357115, 363608, 454510, 465080, 499961, 519440, 571384, 714230, 727216, 909020, 930160, 999922, 1142768, 1428460, 1818040, 1999844, 2499805, 2856920, 3636080, 3999688, 4999610, 5713840, 7999376, 9999220, 19998440, 39996880]

約数ペア:

[(1, 39996880), (2, 19998440), (4, 9999220), (5, 7999376), (7, 5713840), (8, 4999610), (10, 3999688), (11, 3636080), (14, 2856920), (16, 2499805), (20, 1999844), (22, 1818040), (28, 1428460), (35, 1142768), (40, 999922), (43, 930160), (44, 909020), (55, 727216), (56, 714230), (70, 571384), (77, 519440), (80, 499961), (86, 465080), (88, 454510), (110, 363608), (112, 357115), (140, 285692), (151, 264880), (154, 259720), (172, 232540), (176, 227255), (215, 186032), (220, 181804), (280, 142846), (301, 132880), (302, 132440), (308, 129860), (344, 116270), (385, 103888), (430, 93016), (440, 90902), (473, 84560), (560, 71423), (602, 66440), (604, 66220), (616, 64930), (688, 58135), (755, 52976), (770, 51944), (860, 46508), (880, 45451), (946, 42280), (1057, 37840), (1204, 33220), (1208, 33110), (1232, 32465), (1505, 26576), (1510, 26488), (1540, 25972), (1661, 24080), (1720, 23254), (1892, 21140), (2114, 18920), (2365, 16912), (2408, 16610), (2416, 16555), (3010, 13288), (3020, 13244), (3080, 12986), (3311, 12080), (3322, 12040), (3440, 11627), (3784, 10570), (4228, 9460), (4730, 8456), (4816, 8305), (5285, 7568), (6020, 6644), (6040, 6622), (6160, 6493)]