8403920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 22915200

約数和(自身を除く): 14511280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 349, 430, 560, 602, 688, 698, 860, 1204, 1396, 1505, 1720, 1745, 2408, 2443, 2792, 3010, 3440, 3490, 4816, 4886, 5584, 6020, 6980, 9772, 12040, 12215, 13960, 15007, 19544, 24080, 24430, 27920, 30014, 39088, 48860, 60028, 75035, 97720, 105049, 120056, 150070, 195440, 210098, 240112, 300140, 420196, 525245, 600280, 840392, 1050490, 1200560, 1680784, 2100980, 4201960, 8403920]

約数ペア:

[(1, 8403920), (2, 4201960), (4, 2100980), (5, 1680784), (7, 1200560), (8, 1050490), (10, 840392), (14, 600280), (16, 525245), (20, 420196), (28, 300140), (35, 240112), (40, 210098), (43, 195440), (56, 150070), (70, 120056), (80, 105049), (86, 97720), (112, 75035), (140, 60028), (172, 48860), (215, 39088), (280, 30014), (301, 27920), (344, 24430), (349, 24080), (430, 19544), (560, 15007), (602, 13960), (688, 12215), (698, 12040), (860, 9772), (1204, 6980), (1396, 6020), (1505, 5584), (1720, 4886), (1745, 4816), (2408, 3490), (2443, 3440), (2792, 3010)]