56301080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 139104000

約数和(自身を除く): 82802920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 643, 796, 995, 1286, 1592, 1990, 2189, 2572, 3215, 3980, 4378, 5144, 6430, 7073, 7960, 8756, 10945, 12860, 14146, 17512, 21890, 25720, 28292, 35365, 43780, 56584, 70730, 87560, 127957, 141460, 255914, 282920, 511828, 639785, 1023656, 1279570, 1407527, 2559140, 2815054, 5118280, 5630108, 7037635, 11260216, 14075270, 28150540, 56301080]

約数ペア:

[(1, 56301080), (2, 28150540), (4, 14075270), (5, 11260216), (8, 7037635), (10, 5630108), (11, 5118280), (20, 2815054), (22, 2559140), (40, 1407527), (44, 1279570), (55, 1023656), (88, 639785), (110, 511828), (199, 282920), (220, 255914), (398, 141460), (440, 127957), (643, 87560), (796, 70730), (995, 56584), (1286, 43780), (1592, 35365), (1990, 28292), (2189, 25720), (2572, 21890), (3215, 17512), (3980, 14146), (4378, 12860), (5144, 10945), (6430, 8756), (7073, 7960)]