86639840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 244590192

約数和(自身を除く): 157950352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 257, 280, 301, 344, 392, 430, 490, 514, 560, 602, 688, 784, 860, 980, 1028, 1120, 1204, 1285, 1376, 1505, 1568, 1720, 1799, 1960, 2056, 2107, 2408, 2570, 3010, 3440, 3598, 3920, 4112, 4214, 4816, 5140, 6020, 6880, 7196, 7840, 8224, 8428, 8995, 9632, 10280, 10535, 11051, 12040, 12593, 14392, 16856, 17990, 20560, 21070, 22102, 24080, 25186, 28784, 33712, 35980, 41120, 42140, 44204, 48160, 50372, 55255, 57568, 62965, 67424, 71960, 77357, 84280, 88408, 100744, 110510, 125930, 143920, 154714, 168560, 176816, 201488, 221020, 251860, 287840, 309428, 337120, 353632, 386785, 402976, 442040, 503720, 541499, 618856, 773570, 884080, 1007440, 1082998, 1237712, 1547140, 1768160, 2014880, 2165996, 2475424, 2707495, 3094280, 4331992, 5414990, 6188560, 8663984, 10829980, 12377120, 17327968, 21659960, 43319920, 86639840]

約数ペア:

[(1, 86639840), (2, 43319920), (4, 21659960), (5, 17327968), (7, 12377120), (8, 10829980), (10, 8663984), (14, 6188560), (16, 5414990), (20, 4331992), (28, 3094280), (32, 2707495), (35, 2475424), (40, 2165996), (43, 2014880), (49, 1768160), (56, 1547140), (70, 1237712), (80, 1082998), (86, 1007440), (98, 884080), (112, 773570), (140, 618856), (160, 541499), (172, 503720), (196, 442040), (215, 402976), (224, 386785), (245, 353632), (257, 337120), (280, 309428), (301, 287840), (344, 251860), (392, 221020), (430, 201488), (490, 176816), (514, 168560), (560, 154714), (602, 143920), (688, 125930), (784, 110510), (860, 100744), (980, 88408), (1028, 84280), (1120, 77357), (1204, 71960), (1285, 67424), (1376, 62965), (1505, 57568), (1568, 55255), (1720, 50372), (1799, 48160), (1960, 44204), (2056, 42140), (2107, 41120), (2408, 35980), (2570, 33712), (3010, 28784), (3440, 25186), (3598, 24080), (3920, 22102), (4112, 21070), (4214, 20560), (4816, 17990), (5140, 16856), (6020, 14392), (6880, 12593), (7196, 12040), (7840, 11051), (8224, 10535), (8428, 10280), (8995, 9632)]