13085440

素因数分解:

$2^8\times 5^1\times {\mathrm{10223}}^1$

素因数の和:10244

約数の個数: 36

約数和(自身を含む): 31346784

約数和(自身を除く): 18261344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10223, 20446, 40892, 51115, 81784, 102230, 163568, 204460, 327136, 408920, 654272, 817840, 1308544, 1635680, 2617088, 3271360, 6542720, 13085440]

約数ペア:

[(1, 13085440), (2, 6542720), (4, 3271360), (5, 2617088), (8, 1635680), (10, 1308544), (16, 817840), (20, 654272), (32, 408920), (40, 327136), (64, 204460), (80, 163568), (128, 102230), (160, 81784), (256, 51115), (320, 40892), (640, 20446), (1280, 10223)]