87542360

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{5351}}^1$

素因数の和:5771

約数の個数: 32

約数和(自身を含む): 197488800

約数和(自身を除く): 109946440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 5351, 8180, 10702, 16360, 21404, 26755, 42808, 53510, 107020, 214040, 2188559, 4377118, 8754236, 10942795, 17508472, 21885590, 43771180, 87542360]

約数ペア:

[(1, 87542360), (2, 43771180), (4, 21885590), (5, 17508472), (8, 10942795), (10, 8754236), (20, 4377118), (40, 2188559), (409, 214040), (818, 107020), (1636, 53510), (2045, 42808), (3272, 26755), (4090, 21404), (5351, 16360), (8180, 10702)]