66519740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475141}}^1$

素因数の和:475157

約数の個数: 24

約数和(自身を含む): 159647712

約数和(自身を除く): 93127972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475141, 950282, 1900564, 2375705, 3325987, 4751410, 6651974, 9502820, 13303948, 16629935, 33259870, 66519740]

約数ペア:

[(1, 66519740), (2, 33259870), (4, 16629935), (5, 13303948), (7, 9502820), (10, 6651974), (14, 4751410), (20, 3325987), (28, 2375705), (35, 1900564), (70, 950282), (140, 475141)]