128211550

素因数分解:

$2^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{10729}}^1$

素因数の和:10980

約数の個数: 24

約数和(自身を含む): 239493600

約数和(自身を除く): 111282050

約数列:

[1, 2, 5, 10, 25, 50, 239, 478, 1195, 2390, 5975, 10729, 11950, 21458, 53645, 107290, 268225, 536450, 2564231, 5128462, 12821155, 25642310, 64105775, 128211550]

約数ペア:

[(1, 128211550), (2, 64105775), (5, 25642310), (10, 12821155), (25, 5128462), (50, 2564231), (239, 536450), (478, 268225), (1195, 107290), (2390, 53645), (5975, 21458), (10729, 11950)]