27891440

素因数分解:

$2^4\times 5^1\times {\mathrm{348643}}^1$

素因数の和:348656

約数の個数: 20

約数和(自身を含む): 64847784

約数和(自身を除く): 36956344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 348643, 697286, 1394572, 1743215, 2789144, 3486430, 5578288, 6972860, 13945720, 27891440]

約数ペア:

[(1, 27891440), (2, 13945720), (4, 6972860), (5, 5578288), (8, 3486430), (10, 2789144), (16, 1743215), (20, 1394572), (40, 697286), (80, 348643)]