26828260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13829}}^1$

素因数の和:13935

約数の個数: 24

約数和(自身を含む): 56924280

約数和(自身を除く): 30096020

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 13829, 27658, 55316, 69145, 138290, 276580, 1341413, 2682826, 5365652, 6707065, 13414130, 26828260]

約数ペア:

[(1, 26828260), (2, 13414130), (4, 6707065), (5, 5365652), (10, 2682826), (20, 1341413), (97, 276580), (194, 138290), (388, 69145), (485, 55316), (970, 27658), (1940, 13829)]