85388740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{51439}}^1$

素因数の和:51531

約数の個数: 24

約数和(自身を含む): 181480320

約数和(自身を除く): 96091580

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 51439, 102878, 205756, 257195, 514390, 1028780, 4269437, 8538874, 17077748, 21347185, 42694370, 85388740]

約数ペア:

[(1, 85388740), (2, 42694370), (4, 21347185), (5, 17077748), (10, 8538874), (20, 4269437), (83, 1028780), (166, 514390), (332, 257195), (415, 205756), (830, 102878), (1660, 51439)]