7427120

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:629

約数の個数: 40

約数和(自身を含む): 17382816

約数和(自身を除く): 9955696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 353, 526, 706, 1052, 1315, 1412, 1765, 2104, 2630, 2824, 3530, 4208, 5260, 5648, 7060, 10520, 14120, 21040, 28240, 92839, 185678, 371356, 464195, 742712, 928390, 1485424, 1856780, 3713560, 7427120]

約数ペア:

[(1, 7427120), (2, 3713560), (4, 1856780), (5, 1485424), (8, 928390), (10, 742712), (16, 464195), (20, 371356), (40, 185678), (80, 92839), (263, 28240), (353, 21040), (526, 14120), (706, 10520), (1052, 7060), (1315, 5648), (1412, 5260), (1765, 4208), (2104, 3530), (2630, 2824)]