85007560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4493}}^1$

素因数の和:4558

約数の個数: 64

約数和(自身を含む): 213554880

約数和(自身を除く): 128547320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4493, 4730, 8986, 9460, 17972, 18920, 22465, 35944, 44930, 49423, 89860, 98846, 179720, 193199, 197692, 247115, 386398, 395384, 494230, 772796, 965995, 988460, 1545592, 1931990, 1976920, 2125189, 3863980, 4250378, 7727960, 8500756, 10625945, 17001512, 21251890, 42503780, 85007560]

約数ペア:

[(1, 85007560), (2, 42503780), (4, 21251890), (5, 17001512), (8, 10625945), (10, 8500756), (11, 7727960), (20, 4250378), (22, 3863980), (40, 2125189), (43, 1976920), (44, 1931990), (55, 1545592), (86, 988460), (88, 965995), (110, 772796), (172, 494230), (215, 395384), (220, 386398), (344, 247115), (430, 197692), (440, 193199), (473, 179720), (860, 98846), (946, 89860), (1720, 49423), (1892, 44930), (2365, 35944), (3784, 22465), (4493, 18920), (4730, 17972), (8986, 9460)]