42926680

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1669}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 96793200

約数和(自身を除く): 53866520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 1669, 2572, 3215, 3338, 5144, 6430, 6676, 8345, 12860, 13352, 16690, 25720, 33380, 66760, 1073167, 2146334, 4292668, 5365835, 8585336, 10731670, 21463340, 42926680]

約数ペア:

[(1, 42926680), (2, 21463340), (4, 10731670), (5, 8585336), (8, 5365835), (10, 4292668), (20, 2146334), (40, 1073167), (643, 66760), (1286, 33380), (1669, 25720), (2572, 16690), (3215, 13352), (3338, 12860), (5144, 8345), (6430, 6676)]