79680440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{284573}}^1$

素因数の和:284591

約数の個数: 32

約数和(自身を含む): 204893280

約数和(自身を除く): 125212840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 284573, 569146, 1138292, 1422865, 1992011, 2276584, 2845730, 3984022, 5691460, 7968044, 9960055, 11382920, 15936088, 19920110, 39840220, 79680440]

約数ペア:

[(1, 79680440), (2, 39840220), (4, 19920110), (5, 15936088), (7, 11382920), (8, 9960055), (10, 7968044), (14, 5691460), (20, 3984022), (28, 2845730), (35, 2276584), (40, 1992011), (56, 1422865), (70, 1138292), (140, 569146), (280, 284573)]