80716580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2297}}^1$

素因数の和:2564

約数の個数: 48

約数和(自身を含む): 194576256

約数和(自身を除く): 113859676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2297, 2510, 3514, 4594, 5020, 7028, 8785, 9188, 11485, 16079, 17570, 22970, 32158, 35140, 45940, 64316, 80395, 160790, 321580, 576547, 1153094, 2306188, 2882735, 4035829, 5765470, 8071658, 11530940, 16143316, 20179145, 40358290, 80716580]

約数ペア:

[(1, 80716580), (2, 40358290), (4, 20179145), (5, 16143316), (7, 11530940), (10, 8071658), (14, 5765470), (20, 4035829), (28, 2882735), (35, 2306188), (70, 1153094), (140, 576547), (251, 321580), (502, 160790), (1004, 80395), (1255, 64316), (1757, 45940), (2297, 35140), (2510, 32158), (3514, 22970), (4594, 17570), (5020, 16079), (7028, 11485), (8785, 9188)]