66883460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{477739}}^1$

素因数の和:477755

約数の個数: 24

約数和(自身を含む): 160520640

約数和(自身を除く): 93637180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 477739, 955478, 1910956, 2388695, 3344173, 4777390, 6688346, 9554780, 13376692, 16720865, 33441730, 66883460]

約数ペア:

[(1, 66883460), (2, 33441730), (4, 16720865), (5, 13376692), (7, 9554780), (10, 6688346), (14, 4777390), (20, 3344173), (28, 2388695), (35, 1910956), (70, 955478), (140, 477739)]