27664480

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4079

約数の個数: 48

約数和(自身を含む): 66893904

約数和(自身を除く): 39229424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 4021, 6880, 8042, 16084, 20105, 32168, 40210, 64336, 80420, 128672, 160840, 172903, 321680, 345806, 643360, 691612, 864515, 1383224, 1729030, 2766448, 3458060, 5532896, 6916120, 13832240, 27664480]

約数ペア:

[(1, 27664480), (2, 13832240), (4, 6916120), (5, 5532896), (8, 3458060), (10, 2766448), (16, 1729030), (20, 1383224), (32, 864515), (40, 691612), (43, 643360), (80, 345806), (86, 321680), (160, 172903), (172, 160840), (215, 128672), (344, 80420), (430, 64336), (688, 40210), (860, 32168), (1376, 20105), (1720, 16084), (3440, 8042), (4021, 6880)]