66880940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{477721}}^1$

素因数の和:477737

約数の個数: 24

約数和(自身を含む): 160514592

約数和(自身を除く): 93633652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 477721, 955442, 1910884, 2388605, 3344047, 4777210, 6688094, 9554420, 13376188, 16720235, 33440470, 66880940]

約数ペア:

[(1, 66880940), (2, 33440470), (4, 16720235), (5, 13376188), (7, 9554420), (10, 6688094), (14, 4777210), (20, 3344047), (28, 2388605), (35, 1910884), (70, 955442), (140, 477721)]