12351800

素因数分解:

$2^3\times 5^2\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 28978800

約数和(自身を除く): 16627000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 151, 200, 302, 409, 604, 755, 818, 1208, 1510, 1636, 2045, 3020, 3272, 3775, 4090, 6040, 7550, 8180, 10225, 15100, 16360, 20450, 30200, 40900, 61759, 81800, 123518, 247036, 308795, 494072, 617590, 1235180, 1543975, 2470360, 3087950, 6175900, 12351800]

約数ペア:

[(1, 12351800), (2, 6175900), (4, 3087950), (5, 2470360), (8, 1543975), (10, 1235180), (20, 617590), (25, 494072), (40, 308795), (50, 247036), (100, 123518), (151, 81800), (200, 61759), (302, 40900), (409, 30200), (604, 20450), (755, 16360), (818, 15100), (1208, 10225), (1510, 8180), (1636, 7550), (2045, 6040), (3020, 4090), (3272, 3775)]