27656560

素因数分解:

$2^4\times 5^1\times {\mathrm{345707}}^1$

素因数の和:345720

約数の個数: 20

約数和(自身を含む): 64301688

約数和(自身を除く): 36645128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 345707, 691414, 1382828, 1728535, 2765656, 3457070, 5531312, 6914140, 13828280, 27656560]

約数ペア:

[(1, 27656560), (2, 13828280), (4, 6914140), (5, 5531312), (8, 3457070), (10, 2765656), (16, 1728535), (20, 1382828), (40, 691414), (80, 345707)]