80458420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{574703}}^1$

素因数の和:574719

約数の個数: 24

約数和(自身を含む): 193100544

約数和(自身を除く): 112642124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 574703, 1149406, 2298812, 2873515, 4022921, 5747030, 8045842, 11494060, 16091684, 20114605, 40229210, 80458420]

約数ペア:

[(1, 80458420), (2, 40229210), (4, 20114605), (5, 16091684), (7, 11494060), (10, 8045842), (14, 5747030), (20, 4022921), (28, 2873515), (35, 2298812), (70, 1149406), (140, 574703)]