66894040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21169}}^1$

素因数の和:21259

約数の個数: 32

約数和(自身を含む): 152424000

約数和(自身を除く): 85529960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 21169, 42338, 84676, 105845, 169352, 211690, 423380, 846760, 1672351, 3344702, 6689404, 8361755, 13378808, 16723510, 33447020, 66894040]

約数ペア:

[(1, 66894040), (2, 33447020), (4, 16723510), (5, 13378808), (8, 8361755), (10, 6689404), (20, 3344702), (40, 1672351), (79, 846760), (158, 423380), (316, 211690), (395, 169352), (632, 105845), (790, 84676), (1580, 42338), (3160, 21169)]