123408080

素因数分解:

$2^4\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1747}}^1$

素因数の和:2643

約数の個数: 40

約数和(自身を含む): 287413152

約数和(自身を除く): 164005072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 883, 1747, 1766, 3494, 3532, 4415, 6988, 7064, 8735, 8830, 13976, 14128, 17470, 17660, 27952, 34940, 35320, 69880, 70640, 139760, 1542601, 3085202, 6170404, 7713005, 12340808, 15426010, 24681616, 30852020, 61704040, 123408080]

約数ペア:

[(1, 123408080), (2, 61704040), (4, 30852020), (5, 24681616), (8, 15426010), (10, 12340808), (16, 7713005), (20, 6170404), (40, 3085202), (80, 1542601), (883, 139760), (1747, 70640), (1766, 69880), (3494, 35320), (3532, 34940), (4415, 27952), (6988, 17660), (7064, 17470), (8735, 14128), (8830, 13976)]