839170040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{287387}}^1$

素因数の和:287471

約数の個数: 32

約数和(自身を含む): 1914004080

約数和(自身を除く): 1074834040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 287387, 574774, 1149548, 1436935, 2299096, 2873870, 5747740, 11495480, 20979251, 41958502, 83917004, 104896255, 167834008, 209792510, 419585020, 839170040]

約数ペア:

[(1, 839170040), (2, 419585020), (4, 209792510), (5, 167834008), (8, 104896255), (10, 83917004), (20, 41958502), (40, 20979251), (73, 11495480), (146, 5747740), (292, 2873870), (365, 2299096), (584, 1436935), (730, 1149548), (1460, 574774), (2920, 287387)]