28620380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19603}}^1$

素因数の和:19685

約数の個数: 24

約数和(自身を含む): 60929232

約数和(自身を除く): 32308852

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19603, 39206, 78412, 98015, 196030, 392060, 1431019, 2862038, 5724076, 7155095, 14310190, 28620380]

約数ペア:

[(1, 28620380), (2, 14310190), (4, 7155095), (5, 5724076), (10, 2862038), (20, 1431019), (73, 392060), (146, 196030), (292, 98015), (365, 78412), (730, 39206), (1460, 19603)]