87487900

素因数分解:

$2^2\times 5^2\times {\mathrm{874879}}^1$

素因数の和:874893

約数の個数: 18

約数和(自身を含む): 189848960

約数和(自身を除く): 102361060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 874879, 1749758, 3499516, 4374395, 8748790, 17497580, 21871975, 43743950, 87487900]

約数ペア:

[(1, 87487900), (2, 43743950), (4, 21871975), (5, 17497580), (10, 8748790), (20, 4374395), (25, 3499516), (50, 1749758), (100, 874879)]