31691840

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1135

約数の個数: 56

約数和(自身を含む): 76318872

約数和(自身を除く): 44627032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 970, 1021, 1552, 1940, 2042, 3104, 3880, 4084, 5105, 6208, 7760, 8168, 10210, 15520, 16336, 20420, 31040, 32672, 40840, 65344, 81680, 99037, 163360, 198074, 326720, 396148, 495185, 792296, 990370, 1584592, 1980740, 3169184, 3961480, 6338368, 7922960, 15845920, 31691840]

約数ペア:

[(1, 31691840), (2, 15845920), (4, 7922960), (5, 6338368), (8, 3961480), (10, 3169184), (16, 1980740), (20, 1584592), (32, 990370), (40, 792296), (64, 495185), (80, 396148), (97, 326720), (160, 198074), (194, 163360), (320, 99037), (388, 81680), (485, 65344), (776, 40840), (970, 32672), (1021, 31040), (1552, 20420), (1940, 16336), (2042, 15520), (3104, 10210), (3880, 8168), (4084, 7760), (5105, 6208)]