6542720

素因数分解:

$2^7\times 5^1\times {\mathrm{10223}}^1$

素因数の和:10242

約数の個数: 32

約数和(自身を含む): 15642720

約数和(自身を除く): 9100000

約数列:

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

約数ペア:

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