27645680

素因数分解:

$2^4\times 5^1\times {\mathrm{345571}}^1$

素因数の和:345584

約数の個数: 20

約数和(自身を含む): 64276392

約数和(自身を除く): 36630712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 345571, 691142, 1382284, 1727855, 2764568, 3455710, 5529136, 6911420, 13822840, 27645680]

約数ペア:

[(1, 27645680), (2, 13822840), (4, 6911420), (5, 5529136), (8, 3455710), (10, 2764568), (16, 1727855), (20, 1382284), (40, 691142), (80, 345571)]