80911460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{577939}}^1$

素因数の和:577955

約数の個数: 24

約数和(自身を含む): 194187840

約数和(自身を除く): 113276380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 577939, 1155878, 2311756, 2889695, 4045573, 5779390, 8091146, 11558780, 16182292, 20227865, 40455730, 80911460]

約数ペア:

[(1, 80911460), (2, 40455730), (4, 20227865), (5, 16182292), (7, 11558780), (10, 8091146), (14, 5779390), (20, 4045573), (28, 2889695), (35, 2311756), (70, 1155878), (140, 577939)]