87644320

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12739}}^1$

素因数の和:12797

約数の個数: 48

約数和(自身を含む): 211891680

約数和(自身を除く): 124247360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 12739, 25478, 50956, 63695, 101912, 127390, 203824, 254780, 407648, 509560, 547777, 1019120, 1095554, 2038240, 2191108, 2738885, 4382216, 5477770, 8764432, 10955540, 17528864, 21911080, 43822160, 87644320]

約数ペア:

[(1, 87644320), (2, 43822160), (4, 21911080), (5, 17528864), (8, 10955540), (10, 8764432), (16, 5477770), (20, 4382216), (32, 2738885), (40, 2191108), (43, 2038240), (80, 1095554), (86, 1019120), (160, 547777), (172, 509560), (215, 407648), (344, 254780), (430, 203824), (688, 127390), (860, 101912), (1376, 63695), (1720, 50956), (3440, 25478), (6880, 12739)]