13971560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8123}}^1$

素因数の和:8177

約数の個数: 32

約数和(自身を含む): 32171040

約数和(自身を除く): 18199480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 8123, 16246, 32492, 40615, 64984, 81230, 162460, 324920, 349289, 698578, 1397156, 1746445, 2794312, 3492890, 6985780, 13971560]

約数ペア:

[(1, 13971560), (2, 6985780), (4, 3492890), (5, 2794312), (8, 1746445), (10, 1397156), (20, 698578), (40, 349289), (43, 324920), (86, 162460), (172, 81230), (215, 64984), (344, 40615), (430, 32492), (860, 16246), (1720, 8123)]