212831462680

素因数分解:

$2^3\times 5^1\times {\mathrm{5320786567}}^1$

素因数の和:5320786578

約数の個数: 16

約数和(自身を含む): 478870791120

約数和(自身を除く): 266039328440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5320786567, 10641573134, 21283146268, 26603932835, 42566292536, 53207865670, 106415731340, 212831462680]

約数ペア:

[(1, 212831462680), (2, 106415731340), (4, 53207865670), (5, 42566292536), (8, 26603932835), (10, 21283146268), (20, 10641573134), (40, 5320786567)]