8581360

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1601}}^1$

素因数の和:1681

約数の個数: 40

約数和(自身を含む): 20262096

約数和(自身を除く): 11680736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 1601, 2680, 3202, 5360, 6404, 8005, 12808, 16010, 25616, 32020, 64040, 107267, 128080, 214534, 429068, 536335, 858136, 1072670, 1716272, 2145340, 4290680, 8581360]

約数ペア:

[(1, 8581360), (2, 4290680), (4, 2145340), (5, 1716272), (8, 1072670), (10, 858136), (16, 536335), (20, 429068), (40, 214534), (67, 128080), (80, 107267), (134, 64040), (268, 32020), (335, 25616), (536, 16010), (670, 12808), (1072, 8005), (1340, 6404), (1601, 5360), (2680, 3202)]