6893440

素因数分解:

$2^7\times 5^1\times {\mathrm{10771}}^1$

素因数の和:10790

約数の個数: 32

約数和(自身を含む): 16481160

約数和(自身を除く): 9587720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 10771, 21542, 43084, 53855, 86168, 107710, 172336, 215420, 344672, 430840, 689344, 861680, 1378688, 1723360, 3446720, 6893440]

約数ペア:

[(1, 6893440), (2, 3446720), (4, 1723360), (5, 1378688), (8, 861680), (10, 689344), (16, 430840), (20, 344672), (32, 215420), (40, 172336), (64, 107710), (80, 86168), (128, 53855), (160, 43084), (320, 21542), (640, 10771)]