168541640

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{7703}}^1$

素因数の和:8261

約数の個数: 32

約数和(自身を含む): 379961280

約数和(自身を除く): 211419640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2735, 4376, 5470, 7703, 10940, 15406, 21880, 30812, 38515, 61624, 77030, 154060, 308120, 4213541, 8427082, 16854164, 21067705, 33708328, 42135410, 84270820, 168541640]

約数ペア:

[(1, 168541640), (2, 84270820), (4, 42135410), (5, 33708328), (8, 21067705), (10, 16854164), (20, 8427082), (40, 4213541), (547, 308120), (1094, 154060), (2188, 77030), (2735, 61624), (4376, 38515), (5470, 30812), (7703, 21880), (10940, 15406)]