25780390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 47918304

約数和(自身を除く): 22137914

約数列:

[1, 2, 5, 10, 41, 82, 205, 227, 277, 410, 454, 554, 1135, 1385, 2270, 2770, 9307, 11357, 18614, 22714, 46535, 56785, 62879, 93070, 113570, 125758, 314395, 628790, 2578039, 5156078, 12890195, 25780390]

約数ペア:

[(1, 25780390), (2, 12890195), (5, 5156078), (10, 2578039), (41, 628790), (82, 314395), (205, 125758), (227, 113570), (277, 93070), (410, 62879), (454, 56785), (554, 46535), (1135, 22714), (1385, 18614), (2270, 11357), (2770, 9307)]