80180200

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{4133}}^1$

素因数の和:4246

約数の個数: 48

約数和(自身を含む): 188386380

約数和(自身を除く): 108206180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3880, 4133, 4850, 8266, 9700, 16532, 19400, 20665, 33064, 41330, 82660, 103325, 165320, 206650, 400901, 413300, 801802, 826600, 1603604, 2004505, 3207208, 4009010, 8018020, 10022525, 16036040, 20045050, 40090100, 80180200]

約数ペア:

[(1, 80180200), (2, 40090100), (4, 20045050), (5, 16036040), (8, 10022525), (10, 8018020), (20, 4009010), (25, 3207208), (40, 2004505), (50, 1603604), (97, 826600), (100, 801802), (194, 413300), (200, 400901), (388, 206650), (485, 165320), (776, 103325), (970, 82660), (1940, 41330), (2425, 33064), (3880, 20665), (4133, 19400), (4850, 16532), (8266, 9700)]