8219740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 18289152

約数和(自身を除く): 10069412

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 167, 214, 230, 334, 428, 460, 535, 668, 835, 1070, 1670, 2140, 2461, 3340, 3841, 4922, 7682, 9844, 12305, 15364, 17869, 19205, 24610, 35738, 38410, 49220, 71476, 76820, 89345, 178690, 357380, 410987, 821974, 1643948, 2054935, 4109870, 8219740]

約数ペア:

[(1, 8219740), (2, 4109870), (4, 2054935), (5, 1643948), (10, 821974), (20, 410987), (23, 357380), (46, 178690), (92, 89345), (107, 76820), (115, 71476), (167, 49220), (214, 38410), (230, 35738), (334, 24610), (428, 19205), (460, 17869), (535, 15364), (668, 12305), (835, 9844), (1070, 7682), (1670, 4922), (2140, 3841), (2461, 3340)]