40141270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4349}}^1$

素因数の和:4440

約数の個数: 32

約数和(自身を含む): 78926400

約数和(自身を除く): 38785130

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4349, 4615, 8698, 9230, 21745, 43490, 56537, 113074, 282685, 308779, 565370, 617558, 1543895, 3087790, 4014127, 8028254, 20070635, 40141270]

約数ペア:

[(1, 40141270), (2, 20070635), (5, 8028254), (10, 4014127), (13, 3087790), (26, 1543895), (65, 617558), (71, 565370), (130, 308779), (142, 282685), (355, 113074), (710, 56537), (923, 43490), (1846, 21745), (4349, 9230), (4615, 8698)]