66290420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{473503}}^1$

素因数の和:473519

約数の個数: 24

約数和(自身を含む): 159097344

約数和(自身を除く): 92806924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 473503, 947006, 1894012, 2367515, 3314521, 4735030, 6629042, 9470060, 13258084, 16572605, 33145210, 66290420]

約数ペア:

[(1, 66290420), (2, 33145210), (4, 16572605), (5, 13258084), (7, 9470060), (10, 6629042), (14, 4735030), (20, 3314521), (28, 2367515), (35, 1894012), (70, 947006), (140, 473503)]