2057100280

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{404941}}^1$

素因数の和:405079

約数の個数: 32

約数和(自身を含む): 4664931840

約数和(自身を除く): 2607831560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 404941, 809882, 1619764, 2024705, 3239528, 4049410, 8098820, 16197640, 51427507, 102855014, 205710028, 257137535, 411420056, 514275070, 1028550140, 2057100280]

約数ペア:

[(1, 2057100280), (2, 1028550140), (4, 514275070), (5, 411420056), (8, 257137535), (10, 205710028), (20, 102855014), (40, 51427507), (127, 16197640), (254, 8098820), (508, 4049410), (635, 3239528), (1016, 2024705), (1270, 1619764), (2540, 809882), (5080, 404941)]