15642860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21139}}^1$

素因数の和:21185

約数の個数: 24

約数和(自身を含む): 33739440

約数和(自身を除く): 18096580

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 21139, 42278, 84556, 105695, 211390, 422780, 782143, 1564286, 3128572, 3910715, 7821430, 15642860]

約数ペア:

[(1, 15642860), (2, 7821430), (4, 3910715), (5, 3128572), (10, 1564286), (20, 782143), (37, 422780), (74, 211390), (148, 105695), (185, 84556), (370, 42278), (740, 21139)]