13423480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 21413000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 251, 280, 382, 502, 764, 955, 1004, 1255, 1337, 1528, 1757, 1910, 2008, 2510, 2674, 3514, 3820, 5020, 5348, 6685, 7028, 7640, 8785, 10040, 10696, 13370, 14056, 17570, 26740, 35140, 47941, 53480, 70280, 95882, 191764, 239705, 335587, 383528, 479410, 671174, 958820, 1342348, 1677935, 1917640, 2684696, 3355870, 6711740, 13423480]

約数ペア:

[(1, 13423480), (2, 6711740), (4, 3355870), (5, 2684696), (7, 1917640), (8, 1677935), (10, 1342348), (14, 958820), (20, 671174), (28, 479410), (35, 383528), (40, 335587), (56, 239705), (70, 191764), (140, 95882), (191, 70280), (251, 53480), (280, 47941), (382, 35140), (502, 26740), (764, 17570), (955, 14056), (1004, 13370), (1255, 10696), (1337, 10040), (1528, 8785), (1757, 7640), (1910, 7028), (2008, 6685), (2510, 5348), (2674, 5020), (3514, 3820)]