12101720

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3119}}^1$

素因数の和:3227

約数の個数: 32

約数和(自身を含む): 27518400

約数和(自身を除く): 15416680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3119, 3880, 6238, 12476, 15595, 24952, 31190, 62380, 124760, 302543, 605086, 1210172, 1512715, 2420344, 3025430, 6050860, 12101720]

約数ペア:

[(1, 12101720), (2, 6050860), (4, 3025430), (5, 2420344), (8, 1512715), (10, 1210172), (20, 605086), (40, 302543), (97, 124760), (194, 62380), (388, 31190), (485, 24952), (776, 15595), (970, 12476), (1940, 6238), (3119, 3880)]