8259440

素因数分解:

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

素因数の和:84

約数の個数: 100

約数和(自身を含む): 22923384

約数和(自身を除く): 14663944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 172, 196, 215, 245, 280, 301, 343, 344, 392, 430, 490, 560, 602, 686, 688, 784, 860, 980, 1204, 1372, 1505, 1715, 1720, 1960, 2107, 2401, 2408, 2744, 3010, 3430, 3440, 3920, 4214, 4802, 4816, 5488, 6020, 6860, 8428, 9604, 10535, 12005, 12040, 13720, 14749, 16856, 19208, 21070, 24010, 24080, 27440, 29498, 33712, 38416, 42140, 48020, 58996, 73745, 84280, 96040, 103243, 117992, 147490, 168560, 192080, 206486, 235984, 294980, 412972, 516215, 589960, 825944, 1032430, 1179920, 1651888, 2064860, 4129720, 8259440]

約数ペア:

[(1, 8259440), (2, 4129720), (4, 2064860), (5, 1651888), (7, 1179920), (8, 1032430), (10, 825944), (14, 589960), (16, 516215), (20, 412972), (28, 294980), (35, 235984), (40, 206486), (43, 192080), (49, 168560), (56, 147490), (70, 117992), (80, 103243), (86, 96040), (98, 84280), (112, 73745), (140, 58996), (172, 48020), (196, 42140), (215, 38416), (245, 33712), (280, 29498), (301, 27440), (343, 24080), (344, 24010), (392, 21070), (430, 19208), (490, 16856), (560, 14749), (602, 13720), (686, 12040), (688, 12005), (784, 10535), (860, 9604), (980, 8428), (1204, 6860), (1372, 6020), (1505, 5488), (1715, 4816), (1720, 4802), (1960, 4214), (2107, 3920), (2401, 3440), (2408, 3430), (2744, 3010)]