27826160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8089}}^1$

素因数の和:8145

約数の個数: 40

約数和(自身を含む): 66208560

約数和(自身を除く): 38382400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8089, 16178, 32356, 40445, 64712, 80890, 129424, 161780, 323560, 347827, 647120, 695654, 1391308, 1739135, 2782616, 3478270, 5565232, 6956540, 13913080, 27826160]

約数ペア:

[(1, 27826160), (2, 13913080), (4, 6956540), (5, 5565232), (8, 3478270), (10, 2782616), (16, 1739135), (20, 1391308), (40, 695654), (43, 647120), (80, 347827), (86, 323560), (172, 161780), (215, 129424), (344, 80890), (430, 64712), (688, 40445), (860, 32356), (1720, 16178), (3440, 8089)]