81448220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{581773}}^1$

素因数の和:581789

約数の個数: 24

約数和(自身を含む): 195476064

約数和(自身を除く): 114027844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 581773, 1163546, 2327092, 2908865, 4072411, 5817730, 8144822, 11635460, 16289644, 20362055, 40724110, 81448220]

約数ペア:

[(1, 81448220), (2, 40724110), (4, 20362055), (5, 16289644), (7, 11635460), (10, 8144822), (14, 5817730), (20, 4072411), (28, 2908865), (35, 2327092), (70, 1163546), (140, 581773)]