27704680

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1607}}^1$

素因数の和:2049

約数の個数: 32

約数和(自身を含む): 62519040

約数和(自身を除く): 34814360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1607, 1724, 2155, 3214, 3448, 4310, 6428, 8035, 8620, 12856, 16070, 17240, 32140, 64280, 692617, 1385234, 2770468, 3463085, 5540936, 6926170, 13852340, 27704680]

約数ペア:

[(1, 27704680), (2, 13852340), (4, 6926170), (5, 5540936), (8, 3463085), (10, 2770468), (20, 1385234), (40, 692617), (431, 64280), (862, 32140), (1607, 17240), (1724, 16070), (2155, 12856), (3214, 8620), (3448, 8035), (4310, 6428)]