51149080

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6491}}^1$

素因数の和:6699

約数の個数: 32

約数和(自身を含む): 115687440

約数和(自身を除く): 64538360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 6491, 7880, 12982, 25964, 32455, 51928, 64910, 129820, 259640, 1278727, 2557454, 5114908, 6393635, 10229816, 12787270, 25574540, 51149080]

約数ペア:

[(1, 51149080), (2, 25574540), (4, 12787270), (5, 10229816), (8, 6393635), (10, 5114908), (20, 2557454), (40, 1278727), (197, 259640), (394, 129820), (788, 64910), (985, 51928), (1576, 32455), (1970, 25964), (3940, 12982), (6491, 7880)]