87491980

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{10103}}^1$

素因数の和:10545

約数の個数: 24

約数和(自身を含む): 184175712

約数和(自身を除く): 96683732

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 4330, 8660, 10103, 20206, 40412, 50515, 101030, 202060, 4374599, 8749198, 17498396, 21872995, 43745990, 87491980]

約数ペア:

[(1, 87491980), (2, 43745990), (4, 21872995), (5, 17498396), (10, 8749198), (20, 4374599), (433, 202060), (866, 101030), (1732, 50515), (2165, 40412), (4330, 20206), (8660, 10103)]